{"title":"Osmio Filter Replacements","description":null,"products":[{"product_id":"osmio-zero-2-0-osmio-fusion-reverse-osmosis-replacement-filters-pack","title":"Osmio Zero 2.0 \u0026 Fusion RO Replacement Filters Pack","description":"\u003cdiv style=\"max-width: 1200px; margin: 60px auto; text-align: center; padding: 0 20px;\" id=\"HEADING-vYvNMk5r1w\"\u003e\n\u003ch2 style=\"font-size: 38px; color: #000; margin-bottom: 25px; line-height: 1.2;\" class=\"page-crafter-h2\"\u003e\u003cstrong\u003eDon't Let Your RO System Lose Its Power\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv style=\"font-size: 20px; color: #333; line-height: 1.8; max-width: 900px; margin: 0 auto;\" class=\"page_crafter_para\"\u003e\n\u003cp\u003eEnsure consistent purity for your \u003cstrong\u003eOsmio Zero 2.0 \u0026amp; Fusion Direct Flow\u003c\/strong\u003e systems. These genuine replacement filters prevent system shutdowns and blockages, keeping your water flowing clean and safe.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"max-width: 1200px; margin: 0 auto; padding: 0 20px;\" class=\"product-features-container\"\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 60px; flex-wrap: wrap; margin-bottom: 80px;\"\u003e\n\u003cdiv style=\"flex: 1.2; min-width: 350px;\"\u003e\n\u003ch2 style=\"font-size: 30px; color: #31426a; margin-bottom: 20px; border-left: 5px solid #cae6ec; padding-left: 15px;\"\u003eReliable Performance\u003c\/h2\u003e\n\u003cp style=\"font-size: 19px; line-height: 1.8; color: #333; margin-bottom: 20px;\"\u003eThe Osmio system is designed with intelligence; it will shut down automatically if it detects a blockage in the membrane or pre-filters.\u003c\/p\u003e\n\u003cdiv style=\"background: #fff5f5; border: 1px solid #ffeded; padding: 25px; border-radius: 12px;\"\u003e\n\u003cp style=\"font-size: 18px; color: #c0392b; font-weight: bold; margin: 0;\"\u003ePro Tip: Always keep a spare carbon filter and membrane on hand to avoid system downtime.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 350px; text-align: center;\"\u003e\u003cimg style=\"width: 100%; max-width: 500px; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.08);\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/OsmioZero2.0OsmioFusionReverseOsmosisReplacementFilterPack.jpg?v=1716404346\" alt=\"Osmio Zero Replacement Filters Front\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #cae6ec; padding: 45px 20px; border-radius: 12px; margin: 60px 0;\" id=\"QUICK_FEATURE_HIGHLIGHT-Z8HCPzCe1a\"\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; max-width: 1200px; margin: 0 auto;\"\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 15px;\"\u003e\n\u003cimg width=\"55\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Regal_Flow_Delivery_Van.jpg?v=1731772894\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #31426a; font-size: 18px;\"\u003eFast, Free Delivery\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 15px; color: #31426a;\"\u003eAvailable Today\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 15px;\"\u003e\n\u003cimg width=\"55\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Regal_Flow_Customer_Support_A.jpg?v=1731849993\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #31426a; font-size: 18px;\"\u003eExpert Support\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 15px; color: #31426a;\"\u003e0121 630 1130\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 15px;\"\u003e\n\u003cimg width=\"55\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Smiling_Regal_Flow_Face.png?v=1744740550\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #31426a; font-size: 18px;\"\u003eGenuine Parts\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 15px; color: #31426a;\"\u003eOfficial Osmio Stock\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 15px;\"\u003e\n\u003cimg width=\"55\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Regal_Flow_Manufacturers_Warranty.png?v=1743613129\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"font-weight: bold; margin: 0; color: #31426a;\"\u003eEasy Returns\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 15px; color: #31426a;\"\u003e100% Guaranteed\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"max-width: 1200px; margin: 0 auto; padding: 0 20px;\" class=\"product-features-container\"\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 60px; flex-wrap: wrap-reverse; margin-bottom: 80px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 350px; text-align: center;\"\u003e\u003cimg style=\"width: 100%; max-width: 500px; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.08);\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/OsmioZero2.0OsmioFusionReverseOsmosisReplacementFilterPackRearView.jpg?v=1716404346\" alt=\"Osmio Replacement Filters Rear\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1.2; min-width: 350px;\"\u003e\n\u003ch2 style=\"font-size: 30px; color: #31426a; margin-bottom: 25px; border-left: 5px solid #cae6ec; padding-left: 15px;\"\u003eAdvanced Filter Stages\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; gap: 20px;\"\u003e\n\u003ch3 style=\"background: #fdfdfd; padding: 20px; border-radius: 8px; border: 1px solid #eee;\"\u003e\n\u003cstrong style=\"font-size: 18px; color: #31426a; display: block; margin-bottom: 5px;\"\u003eStage 1: Composite Carbon Filter\u003c\/strong\u003e \u003cspan style=\"font-size: 17px; color: #444;\"\u003eRemoves chlorine, sediment, and organic impurities from the water supply.\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003ch3 style=\"background: #fdfdfd; padding: 20px; border-radius: 8px; border: 1px solid #eee;\"\u003e\n\u003cstrong style=\"font-size: 18px; color: #31426a; display: block; margin-bottom: 5px;\"\u003eStage 2: 50GPD Membrane\u003c\/strong\u003e \u003cspan style=\"font-size: 17px; color: #444;\"\u003eEliminates pollutants and unwanted flavors with nearly 100% efficiency.\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003ch3 style=\"background: #fdfdfd; padding: 20px; border-radius: 8px; border: 1px solid #eee;\"\u003e\n\u003cstrong style=\"font-size: 18px; color: #31426a; display: block; margin-bottom: 5px;\"\u003eStage 3: Antibacterial Hygiene After-Filter\u003c\/strong\u003e \u003cspan style=\"font-size: 17px; color: #444;\"\u003eRemoves 99% of bacteria and viruses while polishing the taste for a crisp finish.\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"max-width: 1200px; margin: 0 auto; padding: 0 20px; display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 40px; margin-bottom: 80px;\"\u003e\n\u003cdiv style=\"border: 1px solid #eee; padding: 35px; border-radius: 12px; background: #fff;\"\u003e\n\u003ch2 style=\"font-size: 26px; color: #31426a; margin-bottom: 20px; border-bottom: 3px solid #cae6ec; padding-bottom: 12px;\"\u003e\u003cstrong\u003eCustomer Support\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp style=\"font-size: 18px; line-height: 1.8; color: #333;\"\u003eThe filters you receive might have a slightly different label than the one shown in the image due to manufacturer updates.\u003c\/p\u003e\n\u003cp style=\"font-size: 17px; background: #f9f9f9; padding: 15px; border-radius: 8px; margin-top: 15px;\"\u003e\u003cstrong\u003eUncertain?\u003c\/strong\u003e Simply contact us with a photo of your received items, and our expert team will verify them for you.\u003c\/p\u003e\n\u003cp style=\"margin-top: 20px; font-weight: bold; font-family: monospace; color: #666;\"\u003eSKU: B1000125\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fdfdfd; border: 1px solid #eee; padding: 35px; border-radius: 12px; display: flex; align-items: center; justify-content: center; text-align: center;\"\u003e\n\u003cdiv\u003e\n\u003ch2 style=\"font-size: 28px; color: #31426a; margin-bottom: 15px;\"\u003e\u003cstrong\u003eReady to Dispatch\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp style=\"font-size: 20px; color: #333; margin-bottom: 0;\"\u003eOrders placed before 2pm are typically processed the same day for fast UK delivery.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; background: #cae6ec; color: #31426a; padding: 60px 20px; border-radius: 12px; margin-bottom: 60px;\" id=\"TEXT-Bv40Bywooz\"\u003e\n\u003ch2 style=\"font-size: 32px; margin: 0; font-weight: bold;\"\u003e\u003cstrong\u003eOsmio Replacement Filters — Fast, Free UK Delivery\u003c\/strong\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .page-crafter-h2 { font-weight: bold; }\n  @media (max-width: 768px) {\n    .product-features-container \u003e div { text-align: center; gap: 40px; }\n    h3 { font-size: 26px !important; }\n    #QUICK_FEATURE_HIGHLIGHT-Z8HCPzCe1a { padding: 30px 15px; }\n  }\n\u003c\/style\u003e","brand":"Osmio","offers":[{"title":"Default Title","offer_id":49065372287265,"sku":"B1000125","price":61.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/OsmioZero2.0OsmioFusionReverseOsmosisReplacementFilterPackRearView.jpg?v=1716404346"},{"product_id":"osmio-4-5-x-20-inch-active-ceramics-filter","title":"Osmio 4.5 x 20 Inch Active Ceramics Filter","description":"\u003cdiv class=\"rf-aqua-wrap\"\u003e\n\u003csection class=\"rf-aqua-hero\"\u003e\n\u003ch2\u003e\u003cstrong\u003eOsmio 4.5 x 20 Inch Active Ceramics Filter\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eLong life replacement active ceramics cartridge for compatible 4.5 x 20 inch whole house water filter housings, including the Osmio PRO III XL system.\u003c\/p\u003e\n\u003cdiv class=\"rf-aqua-btns\"\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-primary\" href=\"#osmio-active-ceramics-specs\"\u003eView Technical Specs\u003c\/a\u003e \u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"https:\/\/regalflow.co.uk\/products\/osmio-pro-iii-xl-whole-house-water-filter-system\" title=\"Osmio PRO III XL Whole House Water Filter System\"\u003eView Compatible System\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-trust\"\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eFast, Free Delivery\u003c\/strong\u003eQuick Dispatch, No Hidden Charges\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eFriendly Expert Support\u003c\/strong\u003eDirect Line: 0121 630 1130\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eReplacement Filter Support\u003c\/strong\u003eHelp choosing the correct cartridge\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eOngoing Customer Care\u003c\/strong\u003eAdvice before and after purchase\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section rf-aqua-grid-2\"\u003e\n\u003cdiv class=\"rf-aqua-media-wrap\"\u003e\u003ca title=\"Osmio 4.5 x 20 Inch Active Ceramics Filter\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Osmio4.5x20inchceramicfilter.png?v=1782572680\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Osmio4.5x20inchceramicfilter.png?v=1782572680\" alt=\"Osmio 4.5 x 20 Inch Active Ceramics Filter replacement cartridge\"\u003e \u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cstrong\u003eReplacement Active Ceramics Filter for Whole House Systems\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"rf-aqua-list\"\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eCompatible Cartridge:\u003c\/h3\u003e\nDesigned for compatible standard 4.5 x 20 inch whole house filter housings.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003ePRO III XL Replacement:\u003c\/h3\u003e\nThis is the active ceramics replacement filter used in the Osmio PRO III XL Whole House Water Filter System.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eLong Filter Life:\u003c\/h3\u003e\nRated for approximately 2 to 3 years or up to 300,000 litres depending on water quality and usage.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eWhole House Use:\u003c\/h3\u003e\nDesigned to support filtered water throughout the property when fitted within a suitable whole house system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"rf-aqua-inline-links\"\u003eNeed the full system? View the \u003ca href=\"https:\/\/regalflow.co.uk\/products\/osmio-pro-iii-xl-whole-house-water-filter-system\" title=\"Osmio PRO III XL Whole House Water Filter System\"\u003eOsmio PRO III XL Whole House Water Filter System\u003c\/a\u003e or browse \u003ca href=\"https:\/\/regalflow.co.uk\/collections\/filter-replacements\" title=\"Replacement Water Filters\"\u003eReplacement Filters\u003c\/a\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section rf-aqua-grid-2\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cstrong\u003eWhat Does the Active Ceramics Filter Do?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Osmio Active Ceramics Filter is designed as the first stage filter within the Osmio PRO III XL system. It uses a blend of active ceramics to treat incoming water before it passes through the additional carbon block and GAC\/KDF filter stages.\u003c\/p\u003e\n\u003cp\u003eIt is intended for whole house filtration, helping improve the quality of water supplied to taps, showers, bathrooms and appliances when installed correctly as part of a compatible system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-media-wrap\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Osmio4.5x20inchceramicfilter.png?v=1782572680\" alt=\"Osmio Active Ceramics whole house water filter cartridge\"\u003e\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section rf-aqua-grid-2\"\u003e\n\u003cdiv class=\"rf-aqua-media-wrap\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Osmio4.5x20inchceramicfilter.png?v=1782572680\" alt=\"Osmio 4.5 x 20 inch ceramic filter replacement for whole house filter housing\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cstrong\u003eDesigned for Long Service Life and Low Maintenance\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"rf-aqua-list\"\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eUp to 300,000 Litres:\u003c\/h3\u003e\nThe cartridge is rated for up to 300,000 litres, depending on local water conditions and household usage.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eTypical 2 to 3 Year Replacement Cycle:\u003c\/h3\u003e\nThe active ceramics cartridge normally lasts much longer than standard carbon filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eNo Backwashing Required:\u003c\/h3\u003e\nThe cartridge is replaced at the end of its service life rather than requiring routine backwashing.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eWhole House Flow Rate:\u003c\/h3\u003e\nSuitable for systems designed around flow rates up to approximately 70 litres per minute.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-panel\"\u003e\n\u003ch2\u003e\u003cstrong\u003eIs This the Correct Filter for Your System?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"rf-aqua-list\"\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eCorrect For:\u003c\/h3\u003e\nOsmio PRO III XL Whole House Water Filter System active ceramics housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eAlso Suitable For:\u003c\/h3\u003e\nCompatible standard 4.5 x 20 inch blue or clear whole house filter housings.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eNot Suitable For:\u003c\/h3\u003e\nSmall under sink systems, countertop systems, reverse osmosis systems or non standard housings.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eCheck Before Ordering:\u003c\/h3\u003e\nConfirm your housing size and filter type before purchasing. If unsure, contact Regal Flow first.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section\"\u003e\n\u003ch2\u003e\u003cstrong\u003eComplete Your Filter Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Osmio PRO III XL uses three replacement cartridges, each with a different purpose and replacement interval.\u003c\/p\u003e\n\n\u003cdiv class=\"rf-aqua-grid-2\"\u003e\n\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003ch3\u003eActive Ceramics Filter\u003c\/h3\u003e\n\u003cp\u003eLong life filtration stage. Typically replaced every 2 to 3 years.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent product\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003ch3\u003eKDF and GAC Filter\u003c\/h3\u003e\n\u003cp\u003eSupports chlorine, taste and odour reduction while helping protect downstream filtration media. Typically replaced every 12 to 18 months.\u003c\/p\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"https:\/\/regalflow.co.uk\/products\/osmio-4-5-x-20-inch-kdf-and-gac-filter\" title=\"Osmio 4.5 x 20 Inch KDF and GAC Filter\"\u003eView Product\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003ch3\u003eCarbon Block 5 Micron\u003c\/h3\u003e\n\u003cp\u003eFine filtration and activated carbon polishing. Typically replaced every 6 to 12 months.\u003c\/p\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"https:\/\/regalflow.co.uk\/products\/osmio-4-5-x-20-inch-carbon-block-5-micron\" title=\"Osmio 4.5 x 20 Inch Carbon Block 5 Micron\"\u003eView Product\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003ch3\u003eReplacement Schedule Advice\u003c\/h3\u003e\n\u003cp\u003eEach cartridge works differently, so they should not automatically be replaced at the same time. Replacing the correct filter at the correct interval helps maintain system performance and avoids unnecessary cost.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-highlight\"\u003e\n\u003ch3\u003e\u003cstrong\u003eReplace the Correct Stage, Not the Whole System\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis cartridge replaces the Active Ceramics stage in a compatible 4.5 x 20 inch whole house filter housing. If you own the Osmio PRO III XL system, this is one of the three main filter stages and should be replaced on its own schedule rather than replacing every cartridge at the same time unnecessarily.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section\"\u003e\n\u003cp\u003eThe Active Ceramics cartridge is the long life filter within the Osmio PRO III XL arrangement. The other cartridges in the system have different replacement intervals, so checking which cartridge needs replacing before ordering is important.\u003c\/p\u003e\n\u003cp\u003eAs a practical rule, this cartridge is usually replaced far less often than the carbon block filter. If your water quality, flow rate or taste has changed, it may also be worth checking the condition of the other filters in the system.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section rf-aqua-grid-2\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatible With the Osmio PRO III XL Whole House System\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Osmio PRO III XL system uses three separate filter stages. The Active Ceramics cartridge is fitted in the first housing and is designed for long life filtration across the whole home.\u003c\/p\u003e\n\u003cdiv class=\"rf-aqua-inline-links\"\u003eView the full \u003ca href=\"https:\/\/regalflow.co.uk\/products\/osmio-pro-iii-xl-whole-house-water-filter-system\" title=\"Osmio PRO III XL Whole House Water Filter System\"\u003eOsmio PRO III XL Whole House Water Filter System\u003c\/a\u003e if you need to confirm the complete setup.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-media-wrap\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Osmio4.5x20inchceramicfilter.png?v=1782572680\" alt=\"Replacement active ceramics filter for Osmio PRO III XL system\"\u003e\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section rf-aqua-grid-2\"\u003e\n\u003cdiv class=\"rf-aqua-media-wrap\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Osmio4.5x20inchceramicfilter.png?v=1782572680\" alt=\"Osmio ceramic filter replacement cartridge close up\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cstrong\u003eReplacement Guidance\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"rf-aqua-list\"\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eTurn Off the Water Supply:\u003c\/h3\u003e\nAlways isolate the water supply before opening the filter housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eRelease Pressure First:\u003c\/h3\u003e\nDepressurise the housing before removing the sump to avoid leaks or sudden water release.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eCheck the O Ring:\u003c\/h3\u003e\nInspect the housing seal before refitting to reduce the risk of leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eFlush After Replacement:\u003c\/h3\u003e\nRun water through the system after fitting the new cartridge, following your system guidance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-panel\"\u003e\n\u003ch2\u003e\u003cstrong\u003eWhat Comes With This Product?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"rf-aqua-list\"\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003e1 x Osmio Active Ceramics Filter:\u003c\/h3\u003e\n4.5 x 20 inch replacement cartridge.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eFilter Housing Not Included:\u003c\/h3\u003e\nThis is a replacement cartridge only, not a complete whole house filter system.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eCompatible System Sold Separately:\u003c\/h3\u003e\nThe Osmio PRO III XL system is available separately from Regal Flow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-highlight\"\u003e\n\u003ch3\u003e\u003cstrong\u003eImportant Compatibility Note\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis product is a replacement cartridge, not a standalone water filter system. It must be installed inside a compatible 4.5 x 20 inch whole house filter housing. If you are unsure whether it fits your current setup, contact Regal Flow before ordering.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section\"\u003e\n\u003ch2\u003e\u003cstrong\u003eExplore More from Regal Flow\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"rf-aqua-grid-2\"\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eOsmio Water Filters and Reverse Osmosis Purifiers\u003c\/strong\u003e\n\u003cp\u003eBrowse Osmio systems, whole house filters, drinking water filters and replacement cartridges.\u003c\/p\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"https:\/\/regalflow.co.uk\/collections\/osmio-water-filters-reverse-osmosis-purifiers\" title=\"Osmio Water Filters and Reverse Osmosis Purifiers\"\u003eView Osmio Collection\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eReplacement Filters\u003c\/strong\u003e\n\u003cp\u003eFind compatible replacement filters for drinking water, reverse osmosis and whole house filtration systems.\u003c\/p\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"https:\/\/regalflow.co.uk\/collections\/filter-replacements\" title=\"Replacement Filters\"\u003eView Replacement Filters\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection id=\"osmio-active-ceramics-specs\" class=\"rf-aqua-section\"\u003e\n\u003ch2\u003e\u003cstrong\u003eOsmio 4.5 x 20 Inch Active Ceramics Filter Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"rf-aqua-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eWhole house replacement filter cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOsmio\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eActive Ceramics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e4.5 x 20 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible System\u003c\/td\u003e\n\u003ctd\u003eOsmio PRO III XL Whole House Water Filter System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Housing\u003c\/td\u003e\n\u003ctd\u003eSuitable standard 4.5 x 20 inch whole house filter housings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Replacement Interval\u003c\/td\u003e\n\u003ctd\u003e2 to 3 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 300,000 litres\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Flow Rate\u003c\/td\u003e\n\u003ctd\u003eUp to approximately 70 litres per minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaintenance Requirement\u003c\/td\u003e\n\u003ctd\u003eReplace cartridge at end of service life\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Included\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandalone System\u003c\/td\u003e\n\u003ctd\u003eNo, replacement cartridge only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-inline-links\" style=\"text-align: center;\"\u003eBrowse the \u003ca href=\"https:\/\/regalflow.co.uk\/collections\/osmio-water-filters-reverse-osmosis-purifiers\" title=\"Osmio Water Filters and Reverse Osmosis Purifiers\"\u003eOsmio Collection\u003c\/a\u003e, shop \u003ca href=\"https:\/\/regalflow.co.uk\/collections\/filter-replacements\" title=\"Replacement Filters\"\u003eReplacement Filters\u003c\/a\u003e, or view the \u003ca href=\"https:\/\/regalflow.co.uk\/products\/osmio-pro-iii-xl-whole-house-water-filter-system\" title=\"Osmio PRO III XL Whole House Water Filter System\"\u003eOsmio PRO III XL system\u003c\/a\u003e.\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section\"\u003e\n\u003ch2\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"rf-aqua-panel\" style=\"margin-bottom: 18px;\"\u003e\n\u003ch3\u003e\u003cstrong\u003eIs this a complete whole house water filter system?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo. This is a replacement cartridge only. It must be fitted inside a compatible 4.5 x 20 inch whole house filter housing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-panel\" style=\"margin-bottom: 18px;\"\u003e\n\u003ch3\u003e\u003cstrong\u003eDoes this fit the Osmio PRO III XL?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes. This is the Active Ceramics replacement cartridge used in the Osmio PRO III XL Whole House Water Filter System.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-panel\" style=\"margin-bottom: 18px;\"\u003e\n\u003ch3\u003e\u003cstrong\u003eHow often should it be replaced?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe cartridge is typically replaced every 2 to 3 years or up to 300,000 litres, depending on usage and local water quality.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-panel\" style=\"margin-bottom: 18px;\"\u003e\n\u003ch3\u003e\u003cstrong\u003eDoes the housing come with it?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo. This product is the filter cartridge only. The filter housing or complete whole house system is sold separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-panel\" style=\"margin-bottom: 18px;\"\u003e\n\u003ch3\u003e\u003cstrong\u003eCan I use it in any 4.5 x 20 inch housing?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIt is suitable for compatible standard 4.5 x 20 inch whole house filter housings. Check your housing dimensions and setup before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-panel\" style=\"margin-bottom: 18px;\"\u003e\n\u003ch3\u003e\u003cstrong\u003eDo I need a plumber to replace it?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eMany customers use a qualified plumber, especially for whole house systems. The water supply must be isolated and pressure released before opening the housing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-panel\"\u003e\n\u003ch2\u003e\u003cstrong\u003eManufacturer Warranty\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis Osmio replacement filter is supplied with the manufacturer's warranty against manufacturing defects, giving you added confidence when replacing your existing filter.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-final\"\u003e\n\u003ch2\u003e\u003cstrong\u003eNeed Help Confirming the Correct Osmio Filter?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eIf you are not sure whether this is the right replacement cartridge for your system, contact Regal Flow before ordering. We can help you check the model, housing size and replacement schedule.\u003c\/p\u003e\n\u003cdiv class=\"rf-aqua-btns\"\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-primary\" href=\"tel:01216301130\"\u003eCall 0121 630 1130\u003c\/a\u003e \u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"mailto:info@regalflow.co.uk\"\u003eEmail Product Support\u003c\/a\u003e \u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"https:\/\/wa.me\/441216301130\" rel=\"noopener\" target=\"_blank\"\u003eWhatsApp Technical Support\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-p-footer-support\"\u003e\n\u003cdiv class=\"rf-p-foot-meta\"\u003e\n\u003ch2\u003e\u003cstrong\u003eReplacement Filter Support\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eUnsure which Osmio cartridge needs replacing? Our support team is available 7 days a week to help you choose the correct filter before you order.\u003c\/p\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-primary\" href=\"\/pages\/contact\"\u003eContact Support Team\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-p-foot-contacts\"\u003e\n\u003cdiv\u003e\n\u003csvg class=\"rf-contact-icon\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#005a70\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z\"\u003e\u003c\/path\u003e\u003cpolyline points=\"22,6 12,13 2,6\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cstrong\u003eEmail Support:\u003c\/strong\u003e \u003ca href=\"mailto:info@regalflow.co.uk\"\u003einfo@regalflow.co.uk\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csvg class=\"rf-contact-icon\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#005a70\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M22 16.92v3a2 2 0 0 1-2.18 2 19.79 19.79 0 0 1-8.63-3.07 19.5 19.5 0 0 1-6-6 19.79 19.79 0 0 1-3.07-8.67A2 2 0 0 1 4.11 2h3a2 2 0 0 1 2 1.72 12.84 12.84 0 0 0 .7 2.81 2 2 0 0 1-.45 2.11L8.09 9.91a16 16 0 0 0 6 6l1.27-1.27a2 2 0 0 1 2.11-.45 12.84 12.84 0 0 0 2.81.7A2 2 0 0 1 22 16.92z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \u003cstrong\u003eTelephone Direct:\u003c\/strong\u003e \u003ca href=\"tel:01216301130\"\u003e0121 630 1130\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csvg class=\"rf-contact-icon\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#25D366\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M21 11.5a8.38 8.38 0 0 1-.9 3.8 8.5 8.5 0 0 1-7.6 4.7 8.38 8.38 0 0 1-3.8-.9L3 21l1.9-5.7a8.38 8.38 0 0 1-.9-3.8 8.5 8.5 0 0 1 4.7-7.6 8.38 8.38 0 0 1 3.8-.9h.5a8.48 8.48 0 0 1 8 8v.5z\" fill=\"#25D366\" fill-opacity=\"0.15\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \u003cstrong\u003eWhatsApp Chat:\u003c\/strong\u003e \u003ca href=\"https:\/\/wa.me\/441216301130\" rel=\"noopener\" target=\"_blank\"\u003eClick here to message our technical team instantly\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Osmio","offers":[{"title":"Default Title","offer_id":58342923633027,"sku":null,"price":360.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Osmio4.5x20inchceramicfilter.png?v=1782572680"},{"product_id":"osmio-4-5-x-20-inch-kdf-and-gac-filter","title":"Osmio 4.5 x 20 Inch KDF and GAC Filter","description":"\u003cdiv class=\"rf-aqua-wrap\"\u003e\n\u003csection class=\"rf-aqua-hero\"\u003e\n\u003cdiv class=\"rf-aqua-kicker\"\u003eOsmio® Whole House Filter Replacement\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003eOsmio 4.5 x 20 Inch KDF and GAC Filter\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplacement KDF and granular activated carbon cartridge for compatible whole house systems, including the Osmio PRO III XL.\u003c\/p\u003e\n\u003cdiv class=\"rf-aqua-btns\"\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-primary\" href=\"#osmio-kdf-gac-specs\"\u003eView Technical Specs\u003c\/a\u003e \u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"https:\/\/regalflow.co.uk\/products\/osmio-pro-iii-xl-whole-house-water-filter-system\" title=\"Osmio PRO III XL Whole House Water Filter System\"\u003eView Compatible System\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section rf-aqua-grid-2\"\u003e\n\u003cdiv class=\"rf-aqua-media-wrap\"\u003e\u003ca title=\"Osmio 4.5 x 20 Inch KDF and GAC Filter\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Osmio_4.5_x_20_Inch_KDF_and_GAC_Filter.png?v=1782574680\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Osmio_4.5_x_20_Inch_KDF_and_GAC_Filter.png?v=1782574680\" alt=\"Osmio 4.5 x 20 Inch KDF and GAC Filter cartridge\"\u003e \u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cstrong\u003eKDF and GAC Replacement Cartridge for Whole House Filtration\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"rf-aqua-list\"\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eCompatible Cartridge:\u003c\/h3\u003e\nDesigned for compatible 4.5 x 20 inch whole house filter housings.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003ePRO III XL Replacement:\u003c\/h3\u003e\nUsed as one of the main filter stages within the Osmio PRO III XL Whole House Water Filter System.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eKDF Process Media:\u003c\/h3\u003e\nCopper and zinc based filtration media used to support chlorine, heavy metal and hydrogen sulphide reduction depending on water conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eGranular Activated Carbon:\u003c\/h3\u003e\nHelps improve taste and odour while supporting chlorine and organic compound reduction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"rf-aqua-inline-links\"\u003eNeed the full system? View the \u003ca href=\"https:\/\/regalflow.co.uk\/products\/osmio-pro-iii-xl-whole-house-water-filter-system\" title=\"Osmio PRO III XL Whole House Water Filter System\"\u003eOsmio PRO III XL Whole House Water Filter System\u003c\/a\u003e or browse \u003ca href=\"https:\/\/regalflow.co.uk\/collections\/filter-replacements\" title=\"Replacement Water Filters\"\u003eReplacement Filters\u003c\/a\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section rf-aqua-grid-2\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cstrong\u003eWhat Does the KDF and GAC Filter Do?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis cartridge combines KDF process media with granular activated carbon to support whole house water filtration. KDF media works through a redox reaction, where contaminants are changed into different forms as water passes through the media.\u003c\/p\u003e\n\u003cp\u003eGranular activated carbon then helps improve taste and odour, especially where chlorine is present in the incoming water supply. In plain English, KDF helps support and protect the carbon stage, while the carbon helps polish the water for everyday household use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-panel\"\u003e\n\u003ch2\u003e\u003cstrong\u003eBuy with Confidence\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eYour Osmio replacement filter is supplied brand new and backed by the manufacturer’s warranty, with expert support from Regal Flow if you need help choosing or replacing your filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section\"\u003e\n\u003ch2\u003e\u003cstrong\u003eWhy KDF and GAC Are Used Together\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"rf-aqua-grid-2\"\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eKDF Supports Chlorine Reduction\u003c\/strong\u003e\n\u003cp\u003eKDF media is commonly used to reduce chlorine before water reaches the carbon stage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eCarbon Improves Taste and Odour\u003c\/strong\u003e\n\u003cp\u003eGranular activated carbon helps reduce chlorine related taste and odour from household water.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eUseful for Whole House Systems\u003c\/strong\u003e\n\u003cp\u003eThe cartridge is designed for point of entry use, helping treat water before it reaches taps, showers and appliances.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eProtects Later Filter Stages\u003c\/strong\u003e\n\u003cp\u003eKDF media can help reduce fouling and support the performance of downstream filtration media.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-highlight\"\u003e\n\u003ch3\u003e\u003cstrong\u003eThe Technology Stage in the Osmio PRO III XL System\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe KDF and GAC cartridge is one of the most important treatment stages in the Osmio PRO III XL whole house system. It combines the redox action of KDF media with the polishing ability of granular activated carbon, making it especially useful for taste, odour, chlorine reduction and wider whole house filtration support.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-panel\"\u003e\n\u003ch2\u003e\u003cstrong\u003eIs This the Correct Filter for Your System?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"rf-aqua-list\"\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eCorrect For:\u003c\/h3\u003e\nOsmio PRO III XL Whole House Water Filter System KDF and GAC cartridge replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eAlso Suitable For:\u003c\/h3\u003e\nCompatible standard 4.5 x 20 inch whole house filter housings where this cartridge type is specified.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eNot Suitable For:\u003c\/h3\u003e\nSmall under sink filters, countertop systems, reverse osmosis systems or non standard housings.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eCheck Before Ordering:\u003c\/h3\u003e\nConfirm the cartridge size, housing size and filter stage before purchasing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section\"\u003e\n\u003ch2\u003e\u003cstrong\u003eWhy Buy from Regal Flow?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003csection class=\"rf-aqua-trust\"\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eFast, Free UK Delivery\u003c\/strong\u003eQuick dispatch with no hidden delivery charges.\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eExpert Product Advice\u003c\/strong\u003eSpeak to a real water treatment specialist.\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eManufacturer Warranty\u003c\/strong\u003eCovered against manufacturing defects.\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eIndependent Retailer\u003c\/strong\u003eHonest advice across multiple leading brands.\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section rf-aqua-grid-2\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cstrong\u003eWhy This Filter Matters in a Whole House System\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eA whole house filter has to deal with much higher water volumes than a drinking water filter. That means the media inside the cartridge needs to be suitable for larger flow rates and wider household use.\u003c\/p\u003e\n\u003cp\u003eIn the Osmio PRO III XL, this filter works alongside the other filter stages rather than replacing them. Each cartridge has a different job, so replacing the correct stage at the correct time helps keep the system working properly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-media-wrap\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Osmio_4.5_x_20_Inch_KDF_and_GAC_Filter.png?v=1782574680\" alt=\"Osmio 4.5 x 20 Inch KDF and GAC whole house replacement filter\"\u003e\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section\"\u003e\n\u003ch2\u003e\u003cstrong\u003eKDF and GAC Explained in Plain English\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"rf-aqua-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eKDF Media\u003c\/td\u003e\n\u003ctd\u003eCopper and zinc based process media that uses redox action to help reduce chlorine, heavy metals, hydrogen sulphide and microorganism build up depending on water conditions.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGAC\u003c\/td\u003e\n\u003ctd\u003eGranular activated carbon used to improve taste and odour and support chlorine reduction.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhy Combine Them?\u003c\/td\u003e\n\u003ctd\u003eKDF can help protect and extend the useful performance of carbon, while carbon helps improve the finished water quality.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhere It Fits\u003c\/td\u003e\n\u003ctd\u003eUsed as a whole house filter stage inside compatible 4.5 x 20 inch housings.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain Customer Benefit\u003c\/td\u003e\n\u003ctd\u003eBetter support for taste, odour, chlorine reduction and whole house filtration performance.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-highlight\"\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy This Cartridge Replaces Separately from Other Filters\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Osmio PRO III XL system uses separate filter stages because each cartridge does a different job. The KDF and GAC filter should be replaced according to its own condition and replacement interval, rather than assuming every cartridge needs changing at the same time.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section\"\u003e\n\u003ch2\u003e\u003cstrong\u003eComplete Your Filter Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Osmio PRO III XL uses three replacement cartridges, each with a different purpose and replacement interval.\u003c\/p\u003e\n\u003cdiv class=\"rf-aqua-grid-2\"\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003ch3\u003eActive Ceramics Filter\u003c\/h3\u003e\n\u003cp\u003eLong life filtration stage. Typically replaced every 2 to 3 years.\u003c\/p\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"https:\/\/regalflow.co.uk\/products\/osmio-4-5-x-20-inch-active-ceramics-filter\" title=\"Osmio 4.5 x 20 Inch Active Ceramics Filter\"\u003eView Product\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003ch3\u003eKDF and GAC Filter\u003c\/h3\u003e\n\u003cp\u003eSupports chlorine, taste and odour reduction while helping protect downstream filtration media. Typically replaced every 12 to 18 months.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent product\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003ch3\u003eCarbon Block 5 Micron\u003c\/h3\u003e\n\u003cp\u003eFine filtration and activated carbon polishing. Typically replaced every 6 to 12 months.\u003c\/p\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"https:\/\/regalflow.co.uk\/products\/osmio-4-5-x-20-inch-carbon-block-5-micron\" title=\"Osmio 4.5 x 20 Inch Carbon Block 5 Micron\"\u003eView Product\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003ch3\u003eReplacement Schedule Advice\u003c\/h3\u003e\n\u003cp\u003eEach cartridge works differently, so they should not automatically be replaced at the same time. Replacing the correct filter at the correct interval helps maintain system performance and avoids unnecessary cost.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section rf-aqua-grid-2\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cstrong\u003eReplacement and Maintenance Guidance\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"rf-aqua-list\"\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eTurn Off the Water Supply:\u003c\/h3\u003e\nAlways isolate the water supply before opening a whole house filter housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eRelease Pressure First:\u003c\/h3\u003e\nDepressurise the housing before unscrewing the sump to reduce the risk of water release.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eCheck the Seal:\u003c\/h3\u003e\nInspect the housing O ring before refitting the sump. A poor seal can cause leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eFlush After Replacement:\u003c\/h3\u003e\nRun water through the system after fitting the new cartridge to clear loose carbon fines and settle the filter media.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-panel\"\u003e\n\u003ch2\u003e\u003cstrong\u003ePractical Advice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eIf your water taste, odour or chlorine smell has changed, this cartridge may be one of the first stages to check. If flow has reduced, also check sediment or carbon block stages, as different cartridges affect the system in different ways.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-panel\"\u003e\n\u003ch2\u003e\u003cstrong\u003eWhat Comes With This Product?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"rf-aqua-list\"\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003e1 x Osmio KDF and GAC Filter:\u003c\/h3\u003e\n4.5 x 20 inch replacement cartridge.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eFilter Housing Not Included:\u003c\/h3\u003e\nThis is a cartridge only, not a complete whole house filtration system.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eCompatible System Sold Separately:\u003c\/h3\u003e\nThe Osmio PRO III XL whole house system is available separately from Regal Flow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section\"\u003e\n\u003ch2\u003e\u003cstrong\u003eDownloads \u0026amp; Resources\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"rf-aqua-grid-2\"\u003e\n\u003cdiv class=\"rf-aqua-card\" style=\"align-items: center; text-align: center;\"\u003e\n\u003ca href=\"https:\/\/regalflow.co.uk\/products\/osmio-pro-iii-xl-whole-house-water-filter-system\" rel=\"noopener\" target=\"_blank\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/PDF_Icon_White_Red.png?v=1781943004\" alt=\"Osmio PRO III XL User Guide\" style=\"width: 80px; height: auto; margin-bottom: 15px;\"\u003e \u003c\/a\u003e \u003cstrong\u003eCompatible System Information\u003c\/strong\u003e\n\u003cp\u003eThis replacement filter is designed for the Osmio PRO III XL Whole House Water Filter System.\u003c\/p\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"https:\/\/regalflow.co.uk\/products\/osmio-pro-iii-xl-whole-house-water-filter-system\"\u003e View Compatible System \u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\" style=\"align-items: center; text-align: center;\"\u003e\n\u003ca href=\"https:\/\/regalflow.co.uk\/collections\/filter-replacements\" rel=\"noopener\" target=\"_blank\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/PDF_Icon_White_Red.png?v=1781943004\" alt=\"Replacement Filter Guide\" style=\"width: 80px; height: auto; margin-bottom: 15px;\"\u003e \u003c\/a\u003e \u003cstrong\u003eReplacement Filter Guide\u003c\/strong\u003e\n\u003cp\u003eNeed help identifying the correct replacement cartridge? Browse our full replacement filter collection.\u003c\/p\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"https:\/\/regalflow.co.uk\/collections\/filter-replacements\"\u003e View Replacement Filters \u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection id=\"osmio-kdf-gac-specs\" class=\"rf-aqua-section\"\u003e\n\u003ch2\u003e\u003cstrong\u003eOsmio 4.5 x 20 Inch KDF and GAC Filter Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"rf-aqua-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eWhole house replacement filter cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOsmio\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Media\u003c\/td\u003e\n\u003ctd\u003eKDF process media and granular activated carbon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e4.5 x 20 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible System\u003c\/td\u003e\n\u003ctd\u003eOsmio PRO III XL Whole House Water Filter System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Housing\u003c\/td\u003e\n\u003ctd\u003eCompatible standard 4.5 x 20 inch whole house filter housings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain Use\u003c\/td\u003e\n\u003ctd\u003eWhole house chlorine, taste, odour and filtration support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Included\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandalone System\u003c\/td\u003e\n\u003ctd\u003eNo, replacement cartridge only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Warranty\u003c\/td\u003e\n\u003ctd\u003eManufacturer warranty against manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-inline-links\" style=\"text-align: center;\"\u003eBrowse the \u003ca href=\"https:\/\/regalflow.co.uk\/collections\/osmio-water-filters-reverse-osmosis-purifiers\" title=\"Osmio Water Filters and Reverse Osmosis Purifiers\"\u003eOsmio Collection\u003c\/a\u003e, shop \u003ca href=\"https:\/\/regalflow.co.uk\/collections\/filter-replacements\" title=\"Replacement Filters\"\u003eReplacement Filters\u003c\/a\u003e, or view the \u003ca href=\"https:\/\/regalflow.co.uk\/products\/osmio-pro-iii-xl-whole-house-water-filter-system\" title=\"Osmio PRO III XL Whole House Water Filter System\"\u003eOsmio PRO III XL system\u003c\/a\u003e.\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section\"\u003e\n\u003ch2\u003e\u003cstrong\u003eExplore More from Regal Flow\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"rf-aqua-grid-2\"\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eOsmio Water Filters and Reverse Osmosis Purifiers\u003c\/strong\u003e\n\u003cp\u003eBrowse Osmio whole house systems, drinking water filters and replacement cartridges.\u003c\/p\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"https:\/\/regalflow.co.uk\/collections\/osmio-water-filters-reverse-osmosis-purifiers\" title=\"Osmio Water Filters and Reverse Osmosis Purifiers\"\u003eView Osmio Collection\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eReplacement Filters\u003c\/strong\u003e\n\u003cp\u003eFind compatible replacement filters for drinking water, reverse osmosis and whole house filtration systems.\u003c\/p\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"https:\/\/regalflow.co.uk\/collections\/filter-replacements\" title=\"Replacement Filters\"\u003eView Replacement Filters\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section\"\u003e\n\u003ch2\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"rf-aqua-panel\" style=\"margin-bottom: 18px;\"\u003e\n\u003ch3\u003e\u003cstrong\u003eIs this the same as the Active Ceramics filter?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo. This is the KDF and GAC cartridge. The Active Ceramics filter is a separate cartridge used in a different stage of the Osmio PRO III XL system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-panel\" style=\"margin-bottom: 18px;\"\u003e\n\u003ch3\u003e\u003cstrong\u003eDoes this fit the Osmio PRO III XL?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes. This cartridge is designed for use as part of the Osmio PRO III XL Whole House Water Filter System.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-panel\" style=\"margin-bottom: 18px;\"\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat does KDF do?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eKDF is a copper and zinc based process media that uses redox action to help reduce certain contaminants and support the performance of other filter media.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-panel\" style=\"margin-bottom: 18px;\"\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat does GAC do?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eGAC stands for granular activated carbon. It is commonly used to improve taste and odour and to help reduce chlorine from water.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-panel\" style=\"margin-bottom: 18px;\"\u003e\n\u003ch3\u003e\u003cstrong\u003eIs the filter housing included?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo. This product is the replacement cartridge only. The housing or complete whole house filter system is sold separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-panel\" style=\"margin-bottom: 18px;\"\u003e\n\u003ch3\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWhole house cartridges must be changed carefully. The water supply should be isolated, pressure released and the housing seal checked before refitting. Many customers choose to use a qualified plumber.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-final\"\u003e\n\u003ch2\u003e\u003cstrong\u003eNeed Help Confirming the Correct Osmio Filter?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eIf you are not sure whether this is the correct cartridge for your Osmio PRO III XL system, contact Regal Flow before ordering. We can help you check the filter stage, housing size and replacement schedule.\u003c\/p\u003e\n\u003cdiv class=\"rf-aqua-btns\"\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-primary\" href=\"tel:01216301130\"\u003eCall 0121 630 1130\u003c\/a\u003e \u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"mailto:info@regalflow.co.uk\"\u003eEmail Product Support\u003c\/a\u003e \u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"https:\/\/wa.me\/441216301130\" rel=\"noopener\" target=\"_blank\"\u003eWhatsApp Technical Support\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-p-footer-support\"\u003e\n\u003cdiv class=\"rf-p-foot-meta\"\u003e\n\u003ch2\u003e\u003cstrong\u003eReplacement Filter Support\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eUnsure which Osmio cartridge needs replacing? Our support team is available 7 days a week to help you choose the correct filter before you order.\u003c\/p\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-primary\" href=\"\/pages\/contact\"\u003eContact Support Team\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-p-foot-contacts\"\u003e\n\u003cdiv\u003e\n\u003csvg class=\"rf-contact-icon\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#005a70\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z\"\u003e\u003c\/path\u003e\u003cpolyline points=\"22,6 12,13 2,6\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cstrong\u003eEmail Support:\u003c\/strong\u003e \u003ca href=\"mailto:info@regalflow.co.uk\"\u003einfo@regalflow.co.uk\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csvg class=\"rf-contact-icon\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#005a70\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M22 16.92v3a2 2 0 0 1-2.18 2 19.79 19.79 0 0 1-8.63-3.07 19.5 19.5 0 0 1-6-6 19.79 19.79 0 0 1-3.07-8.67A2 2 0 0 1 4.11 2h3a2 2 0 0 1 2 1.72 12.84 12.84 0 0 0 .7 2.81 2 2 0 0 1-.45 2.11L8.09 9.91a16 16 0 0 0 6 6l1.27-1.27a2 2 0 0 1 2.11-.45 12.84 12.84 0 0 0 2.81.7A2 2 0 0 1 22 16.92z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \u003cstrong\u003eTelephone Direct:\u003c\/strong\u003e \u003ca href=\"tel:01216301130\"\u003e0121 630 1130\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csvg class=\"rf-contact-icon\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#25D366\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M21 11.5a8.38 8.38 0 0 1-.9 3.8 8.5 8.5 0 0 1-7.6 4.7 8.38 8.38 0 0 1-3.8-.9L3 21l1.9-5.7a8.38 0 0 1-.9-3.8 8.5 8.5 0 0 1 4.7-7.6 8.38 8.38 0 0 1 3.8-.9h.5a8.48 8.48 0 0 1 8 8v.5z\" fill=\"#25D366\" fill-opacity=\"0.15\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \u003cstrong\u003eWhatsApp Chat:\u003c\/strong\u003e \u003ca href=\"https:\/\/wa.me\/441216301130\" rel=\"noopener\" target=\"_blank\"\u003eClick here to message our technical team instantly\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Osmio","offers":[{"title":"Default Title","offer_id":58343043170691,"sku":null,"price":152.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Osmio_4.5_x_20_Inch_KDF_and_GAC_Filter.png?v=1782574680"},{"product_id":"osmio-4-5-x-20-inch-carbon-block-5-micron","title":"Osmio 4.5 x 20 Inch Carbon Block 5 Micron","description":"\u003cdiv class=\"rf-aqua-wrap\"\u003e\n\u003csection class=\"rf-aqua-hero\"\u003e\n\u003ch2\u003e\u003cstrong\u003eOsmio 4.5 x 20 Inch Carbon Block 5 Micron\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplacement 5 micron carbon block cartridge for compatible whole house systems, including the Osmio PRO III XL.\u003c\/p\u003e\n\u003cdiv class=\"rf-aqua-btns\"\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-primary\" href=\"#osmio-carbon-block-specs\"\u003eView Technical Specs\u003c\/a\u003e \u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"https:\/\/regalflow.co.uk\/products\/osmio-pro-iii-xl-whole-house-water-filter-system\" title=\"Osmio PRO III XL Whole House Water Filter System\"\u003eView Compatible System\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section rf-aqua-grid-2\"\u003e\n\u003cdiv class=\"rf-aqua-media-wrap\"\u003e\u003ca title=\"Osmio 4.5 x 20 Inch Carbon Block 5 Micron Filter\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Osmio_4.5_x_20_Inch_Carbon_Block_5_Micron.png?v=1782577468\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Osmio_4.5_x_20_Inch_Carbon_Block_5_Micron.png?v=1782577468\" alt=\"Osmio 4.5 x 20 Inch Carbon Block 5 Micron replacement filter cartridge\"\u003e \u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cstrong\u003e5 Micron Carbon Block Replacement Filter for Whole House Filtration\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"rf-aqua-list\"\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eCompatible Cartridge:\u003c\/h3\u003e\nDesigned for compatible 4.5 x 20 inch whole house filter housings.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003ePRO III XL Replacement:\u003c\/h3\u003e\nUsed as one of the main filter stages within the Osmio PRO III XL Whole House Water Filter System.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003e5 Micron Filtration:\u003c\/h3\u003e\nHelps capture fine particles before water continues through the rest of the system.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eCarbon Block Performance:\u003c\/h3\u003e\nSupports chlorine, taste and odour reduction for everyday household water use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"rf-aqua-inline-links\"\u003eNeed the full system? View the \u003ca href=\"https:\/\/regalflow.co.uk\/products\/osmio-pro-iii-xl-whole-house-water-filter-system\" title=\"Osmio PRO III XL Whole House Water Filter System\"\u003eOsmio PRO III XL Whole House Water Filter System\u003c\/a\u003e or browse \u003ca href=\"https:\/\/regalflow.co.uk\/collections\/osmio-water-filters-reverse-osmosis-purifiers\" title=\"Osmio Water Filters and Reverse Osmosis Purifiers\"\u003eOsmio Water Filters\u003c\/a\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section rf-aqua-grid-2\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cstrong\u003eWhat Does the Carbon Block Filter Do?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Osmio 4.5 x 20 Inch Carbon Block 5 Micron cartridge is designed to help improve water quality across the home by combining fine particle filtration with activated carbon treatment.\u003c\/p\u003e\n\u003cp\u003eThe 5 micron rating means the cartridge can help reduce small particles from the incoming water supply, while the carbon block supports chlorine, taste and odour reduction. This makes it an important stage in the Osmio PRO III XL whole house filtration system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-panel\"\u003e\n\u003ch2\u003e\u003cstrong\u003eBuy with Confidence\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eYour Osmio replacement filter is supplied brand new and backed by the manufacturer’s warranty, with expert support from Regal Flow if you need help choosing or replacing your filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section\"\u003e\n\u003ch2\u003e\u003cstrong\u003eWhy Carbon Block Filtration Matters\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"rf-aqua-grid-2\"\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eFine Particle Reduction\u003c\/strong\u003e\n\u003cp\u003eThe 5 micron rating helps capture fine sediment and small suspended particles from the water supply.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eTaste and Odour Support\u003c\/strong\u003e\n\u003cp\u003eActivated carbon helps reduce chlorine related taste and odour in household water.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eWhole House Use\u003c\/strong\u003e\n\u003cp\u003eDesigned for point of entry filtration, helping treat water before it reaches taps, showers and appliances.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eImportant Service Filter\u003c\/strong\u003e\n\u003cp\u003eThis cartridge is usually replaced more often than the long life Active Ceramics stage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-highlight\"\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy a Carbon Block Instead of Loose Carbon?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eUnlike loose granular activated carbon, a carbon block is manufactured as a compressed block of activated carbon. This allows water to pass through a more consistent filter structure, helping provide finer filtration while supporting chlorine, taste and odour reduction. The 5 micron rating also helps capture smaller particles before water continues through the rest of the system.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-panel\"\u003e\n\u003ch2\u003e\u003cstrong\u003eIs This the Correct Filter for Your System?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"rf-aqua-list\"\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eCorrect For:\u003c\/h3\u003e\nOsmio PRO III XL Whole House Water Filter System carbon block replacement stage.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eAlso Suitable For:\u003c\/h3\u003e\nCompatible standard 4.5 x 20 inch whole house filter housings where a 5 micron carbon block cartridge is specified.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eNot Suitable For:\u003c\/h3\u003e\nSmall under sink filters, countertop systems, reverse osmosis systems or non standard housings.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eCheck Before Ordering:\u003c\/h3\u003e\nConfirm the cartridge size, housing size and filter stage before purchasing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section\"\u003e\n\u003ch2\u003e\u003cstrong\u003eWhy Buy from Regal Flow?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003csection class=\"rf-aqua-trust\"\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eFast, Free UK Delivery\u003c\/strong\u003eQuick dispatch with no hidden delivery charges.\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eExpert Product Advice\u003c\/strong\u003eSpeak to a real water treatment specialist.\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eManufacturer Warranty\u003c\/strong\u003eCovered against manufacturing defects.\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eIndependent Retailer\u003c\/strong\u003eHonest advice across multiple leading brands.\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section rf-aqua-grid-2\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cstrong\u003eWhy This Filter Matters in the PRO III XL System\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Osmio PRO III XL uses multiple cartridges because each filter has a different job. The Carbon Block 5 Micron cartridge is one of the key service filters because it helps reduce fine particles while supporting taste, odour and chlorine reduction.\u003c\/p\u003e\n\u003cp\u003eAs water passes through a whole house system, the carbon block helps polish the water before it continues through the remaining filtration stages. Replacing it at the right time helps maintain water quality and system performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-media-wrap\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Osmio_4.5_x_20_Inch_Carbon_Block_5_Micron.png?v=1782577468\" alt=\"Osmio 4.5 x 20 Inch Carbon Block 5 Micron whole house replacement filter\"\u003e\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section\"\u003e\n\u003ch2\u003e\u003cstrong\u003eComplete Your Filter Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"rf-aqua-grid-2\"\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eActive Ceramics Filter\u003c\/strong\u003e\n\u003cp\u003eLong life filtration stage. Typically replaced every 2 to 3 years.\u003c\/p\u003e\n\u003ca title=\"Osmio 4.5 x 20 Inch Active Ceramics Filter\" href=\"https:\/\/regalflow.co.uk\/products\/osmio-4-5-x-20-inch-active-ceramics-filter\" class=\"rf-aqua-btn rf-aqua-btn-secondary\"\u003eView Product\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eKDF and GAC Filter\u003c\/strong\u003e\n\u003cp\u003eSupports chlorine, taste and odour reduction while helping protect downstream filtration media. Typically replaced every 12 to 18 months.\u003c\/p\u003e\n\u003ca title=\"Osmio 4.5 x 20 Inch KDF and GAC Filter\" href=\"https:\/\/regalflow.co.uk\/products\/osmio-4-5-x-20-inch-kdf-and-gac-filter\" class=\"rf-aqua-btn rf-aqua-btn-secondary\"\u003eView Product\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eCarbon Block 5 Micron\u003c\/strong\u003e\n\u003cp\u003eFine filtration and activated carbon polishing. Typically replaced every 6 to 12 months.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent product\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eReplacement Schedule Advice\u003c\/strong\u003e\n\u003cp\u003eEvery filter within the Osmio PRO III XL has a different role and replacement interval. Replacing each cartridge at the right time helps maintain water quality and system performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cp\u003eEvery filter within the Osmio PRO III XL has a different role and replacement interval. Replacing each cartridge at the recommended time helps maintain water quality and keeps your whole house filtration system performing as intended.\u003c\/p\u003e\n\u003csection class=\"rf-aqua-highlight\"\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy This Cartridge Needs Replacing More Often\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Carbon Block 5 Micron cartridge deals with fine particles and carbon filtration across the whole home, so it works hard during everyday use. Over time, captured particles and used carbon capacity can reduce performance. If water taste, odour or flow changes, this cartridge is one of the first stages to check.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section rf-aqua-grid-2\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cstrong\u003eReplacement and Maintenance Guidance\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"rf-aqua-list\"\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eTurn Off the Water Supply:\u003c\/h3\u003e\nAlways isolate the water supply before opening a whole house filter housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eRelease Pressure First:\u003c\/h3\u003e\nDepressurise the housing before unscrewing the sump to reduce the risk of water release.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eCheck the Seal:\u003c\/h3\u003e\nInspect the housing O ring before refitting the sump. A poor seal can cause leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eFlush After Replacement:\u003c\/h3\u003e\nRun water through the system after fitting the new cartridge to clear loose carbon fines and settle the filter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-panel\"\u003e\n\u003ch2\u003e\u003cstrong\u003ePractical Advice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eIf the water flow has dropped, this cartridge may be becoming restricted. If taste, odour or chlorine smell has returned, the carbon capacity may be exhausted. If unsure, contact Regal Flow before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-panel\"\u003e\n\u003ch2\u003e\u003cstrong\u003eWhat Comes With This Product?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"rf-aqua-list\"\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003e1 x Osmio Carbon Block 5 Micron Filter:\u003c\/h3\u003e\n4.5 x 20 inch replacement cartridge.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eFilter Housing Not Included:\u003c\/h3\u003e\nThis is a cartridge only, not a complete whole house filtration system.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3 style=\"display: inline; margin: 0; font-size: inherit;\"\u003eCompatible System Sold Separately:\u003c\/h3\u003e\nThe Osmio PRO III XL whole house system is available separately from Regal Flow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection id=\"osmio-carbon-block-specs\" class=\"rf-aqua-section\"\u003e\n\u003ch2\u003e\u003cstrong\u003eOsmio 4.5 x 20 Inch Carbon Block 5 Micron Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"rf-aqua-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eWhole house replacement filter cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOsmio\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Media\u003c\/td\u003e\n\u003ctd\u003eActivated carbon block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicron Rating\u003c\/td\u003e\n\u003ctd\u003e5 micron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e4.5 x 20 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible System\u003c\/td\u003e\n\u003ctd\u003eOsmio PRO III XL Whole House Water Filter System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Housing\u003c\/td\u003e\n\u003ctd\u003eCompatible standard 4.5 x 20 inch whole house filter housings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain Use\u003c\/td\u003e\n\u003ctd\u003eFine particle filtration, chlorine, taste and odour support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Replacement Interval\u003c\/td\u003e\n\u003ctd\u003e6 to 12 months depending on water quality and usage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Included\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandalone System\u003c\/td\u003e\n\u003ctd\u003eNo, replacement cartridge only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Warranty\u003c\/td\u003e\n\u003ctd\u003eManufacturer warranty against manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-inline-links\" style=\"text-align: center;\"\u003eBrowse the \u003ca href=\"https:\/\/regalflow.co.uk\/collections\/osmio-water-filters-reverse-osmosis-purifiers\" title=\"Osmio Water Filters and Reverse Osmosis Purifiers\"\u003eOsmio Collection\u003c\/a\u003e, shop \u003ca href=\"https:\/\/regalflow.co.uk\/collections\/filter-replacements\" title=\"Replacement Filters\"\u003eReplacement Filters\u003c\/a\u003e, or view the \u003ca href=\"https:\/\/regalflow.co.uk\/products\/osmio-pro-iii-xl-whole-house-water-filter-system\" title=\"Osmio PRO III XL Whole House Water Filter System\"\u003eOsmio PRO III XL system\u003c\/a\u003e.\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section\"\u003e\n\u003ch2\u003e\u003cstrong\u003eDownloads and Resources\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"rf-aqua-grid-2\"\u003e\n\u003cdiv class=\"rf-aqua-card\" style=\"align-items: center; text-align: center;\"\u003e\n\u003ca href=\"https:\/\/regalflow.co.uk\/products\/osmio-pro-iii-xl-whole-house-water-filter-system\" title=\"Osmio PRO III XL Whole House Water Filter System\" rel=\"noopener\" style=\"display: block; width: 80px; margin-bottom: 12px;\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/PDF_Icon_White_Red.png?v=1781943004\" alt=\"Osmio PRO III XL compatible system information\" style=\"width: 100%; height: auto; border-radius: 6px;\"\u003e \u003c\/a\u003e \u003cstrong\u003eCompatible System Information\u003c\/strong\u003e\n\u003cp style=\"font-size: 13px; margin: 0 0 14px;\"\u003eThis replacement cartridge is designed for the Osmio PRO III XL Whole House Water Filter System.\u003c\/p\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"https:\/\/regalflow.co.uk\/products\/osmio-pro-iii-xl-whole-house-water-filter-system\" title=\"Osmio PRO III XL Whole House Water Filter System\"\u003eView Compatible System\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\" style=\"align-items: center; text-align: center;\"\u003e\n\u003ca href=\"https:\/\/regalflow.co.uk\/collections\/osmio-water-filters-reverse-osmosis-purifiers\" title=\"Osmio Water Filters and Reverse Osmosis Purifiers\" rel=\"noopener\" style=\"display: block; width: 80px; margin-bottom: 12px;\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/PDF_Icon_White_Red.png?v=1781943004\" alt=\"Osmio replacement filter resources\" style=\"width: 100%; height: auto; border-radius: 6px;\"\u003e \u003c\/a\u003e \u003cstrong\u003eOsmio Replacement Filter Support\u003c\/strong\u003e\n\u003cp style=\"font-size: 13px; margin: 0 0 14px;\"\u003eBrowse Osmio systems and replacement filters to help maintain your whole house setup.\u003c\/p\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"https:\/\/regalflow.co.uk\/collections\/osmio-water-filters-reverse-osmosis-purifiers\" title=\"Osmio Water Filters and Reverse Osmosis Purifiers\"\u003eView Osmio Collection\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section\"\u003e\n\u003ch2\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"rf-aqua-panel\" style=\"margin-bottom: 18px;\"\u003e\n\u003ch3\u003e\u003cstrong\u003eDoes this fit the Osmio PRO III XL?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes. This cartridge is designed for use as part of the Osmio PRO III XL Whole House Water Filter System.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-panel\" style=\"margin-bottom: 18px;\"\u003e\n\u003ch3\u003e\u003cstrong\u003eIs this the same as the KDF and GAC filter?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo. This is the 5 micron carbon block cartridge. The KDF and GAC cartridge is a separate filter stage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-panel\" style=\"margin-bottom: 18px;\"\u003e\n\u003ch3\u003e\u003cstrong\u003eIs this the same as the Active Ceramics filter?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo. The Active Ceramics filter is a separate long life stage within the Osmio PRO III XL system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-panel\" style=\"margin-bottom: 18px;\"\u003e\n\u003ch3\u003e\u003cstrong\u003eHow often should this carbon block filter be replaced?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIt is typically replaced every 6 to 12 months depending on household usage and incoming water quality.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-panel\" style=\"margin-bottom: 18px;\"\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat does 5 micron mean?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e5 micron refers to the filter rating. It means the cartridge is designed to help capture fine particles from the water supply.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-panel\" style=\"margin-bottom: 18px;\"\u003e\n\u003ch3\u003e\u003cstrong\u003eIs the filter housing included?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo. This product is the replacement cartridge only. The housing or complete whole house filter system is sold separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-section\"\u003e\n\u003ch2\u003e\u003cstrong\u003eExplore More from Regal Flow\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"rf-aqua-grid-2\"\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eOsmio Water Filters and Reverse Osmosis Purifiers\u003c\/strong\u003e\n\u003cp\u003eBrowse Osmio whole house systems, drinking water filters and replacement cartridges.\u003c\/p\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"https:\/\/regalflow.co.uk\/collections\/osmio-water-filters-reverse-osmosis-purifiers\" title=\"Osmio Water Filters and Reverse Osmosis Purifiers\"\u003eView Osmio Collection\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-aqua-card\"\u003e\n\u003cstrong\u003eOsmio PRO III XL Whole House System\u003c\/strong\u003e\n\u003cp\u003eView the complete whole house system that this cartridge is designed to work with.\u003c\/p\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"https:\/\/regalflow.co.uk\/products\/osmio-pro-iii-xl-whole-house-water-filter-system\" title=\"Osmio PRO III XL Whole House Water Filter System\"\u003eView Compatible System\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-aqua-final\"\u003e\n\u003ch2\u003e\u003cstrong\u003eNeed Help Confirming the Correct Osmio Filter?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eIf you are not sure whether this is the correct cartridge for your Osmio PRO III XL system, contact Regal Flow before ordering. We can help you check the filter stage, housing size and replacement schedule.\u003c\/p\u003e\n\u003cdiv class=\"rf-aqua-btns\"\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-primary\" href=\"tel:01216301130\"\u003eCall 0121 630 1130\u003c\/a\u003e \u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"mailto:info@regalflow.co.uk\"\u003eEmail Product Support\u003c\/a\u003e \u003ca class=\"rf-aqua-btn rf-aqua-btn-secondary\" href=\"https:\/\/wa.me\/441216301130\" rel=\"noopener\" target=\"_blank\"\u003eWhatsApp Technical Support\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"rf-p-footer-support\"\u003e\n\u003cdiv class=\"rf-p-foot-meta\"\u003e\n\u003ch2\u003e\u003cstrong\u003eReplacement Filter Support\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eUnsure which Osmio cartridge needs replacing? Our support team is available 7 days a week to help you choose the correct filter before you order.\u003c\/p\u003e\n\u003ca class=\"rf-aqua-btn rf-aqua-btn-primary\" href=\"\/pages\/contact\"\u003eContact Support Team\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rf-p-foot-contacts\"\u003e\n\u003cdiv\u003e\n\u003csvg class=\"rf-contact-icon\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#005a70\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z\"\u003e\u003c\/path\u003e\u003cpolyline points=\"22,6 12,13 2,6\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cstrong\u003eEmail Support:\u003c\/strong\u003e \u003ca href=\"mailto:info@regalflow.co.uk\"\u003einfo@regalflow.co.uk\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csvg class=\"rf-contact-icon\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#005a70\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M22 16.92v3a2 2 0 0 1-2.18 2 19.79 19.79 0 0 1-8.63-3.07 19.5 19.5 0 0 1-6-6 19.79 19.79 0 0 1-3.07-8.67A2 2 0 0 1 4.11 2h3a2 2 0 0 1 2 1.72 12.84 12.84 0 0 0 .7 2.81 2 2 0 0 1-.45 2.11L8.09 9.91a16 16 0 0 0 6 6l1.27-1.27a2 2 0 0 1 2.11-.45 12.84 12.84 0 0 0 2.81.7A2 2 0 0 1 22 16.92z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \u003cstrong\u003eTelephone Direct:\u003c\/strong\u003e \u003ca href=\"tel:01216301130\"\u003e0121 630 1130\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csvg class=\"rf-contact-icon\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#25D366\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M21 11.5a8.38 8.38 0 0 1-.9 3.8 8.5 8.5 0 0 1-7.6 4.7 8.38 8.38 0 0 1-3.8-.9L3 21l1.9-5.7a8.38 0 0 1-.9-3.8 8.5 8.5 0 0 1 4.7-7.6 8.38 8.38 0 0 1 3.8-.9h.5a8.48 8.48 0 0 1 8 8v.5z\" fill=\"#25D366\" fill-opacity=\"0.15\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \u003cstrong\u003eWhatsApp Chat:\u003c\/strong\u003e \u003ca href=\"https:\/\/wa.me\/441216301130\" rel=\"noopener\" target=\"_blank\"\u003eClick here to message our technical team instantly\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Osmio","offers":[{"title":"Default Title","offer_id":58343164576131,"sku":null,"price":45.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Osmio_4.5_x_20_Inch_Carbon_Block_5_Micron.png?v=1782577468"}],"url":"https:\/\/regalflow.co.uk\/collections\/osmio-filter-replacements.oembed","provider":"Regal Flow","version":"1.0","type":"link"}