{"product_id":"osmio-pro-ii-a-advanced-whole-house-water-filter-system","title":"Osmio PRO-II-A Advanced Whole House Water Filter System","description":"\u003cdiv class=\"rf-op2a\"\u003e\n  \u003csection class=\"rf-op2a__opening\"\u003e\n    \u003cp class=\"rf-op2a__eyebrow\"\u003e\n      Osmio PRO-II-A Advanced · Compact two-stage whole-house filtration\n    \u003c\/p\u003e\n    \u003ch2\u003eTwo-stage filtration for water throughout the home\u003c\/h2\u003e\n    \u003cp\u003e\n      The Osmio PRO-II-A combines a 4.5 × 10-inch Active Ceramics filter with\n      a 5-micron carbon block. Installed on the incoming cold main, it targets\n      sediment, chlorine-related taste and odour before water is distributed to\n      taps, showers and appliances.\n    \u003c\/p\u003e\n\n    \u003cdiv class=\"rf-op2a__buttons\"\u003e\n      \u003ca class=\"rf-op2a__button rf-op2a__button--primary\" href=\"#rf-op2a-stages\"\u003e\n        Explore the two stages\n      \u003c\/a\u003e\n\n      \u003ca class=\"rf-op2a__button rf-op2a__button--secondary\" href=\"#rf-op2a-installation\"\u003e\n        Installation requirements\n      \u003c\/a\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"rf-op2a__alternating rf-op2a__alternating--first\"\u003e\n    \u003cdiv class=\"rf-op2a__media\"\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Osmio_Whole_House_Water_Filter_Cartridge.png?v=1790427997\" alt=\"Osmio PRO-II-A Advanced two-stage whole-house water filter\" loading=\"eager\"\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"rf-op2a__copy\"\u003e\n      \u003cp class=\"rf-op2a__eyebrow\"\u003ePoint-of-entry treatment\u003c\/p\u003e\n      \u003ch2\u003eFilter the mains supply before it travels around the property\u003c\/h2\u003e\n      \u003cp\u003e\n        The PRO-II-A is a compact point-of-entry system for households needing\n        broader treatment than a single sediment or carbon filter. Its two\n        10-inch stages retain full-flow 1-inch connections without requiring\n        electrical power or a regeneration cycle.\n      \u003c\/p\u003e\n\n      \u003cul class=\"rf-op2a__ticks\"\u003e\n        \u003cli\u003eTwo heavy-duty 4.5 × 10-inch antibacterial housings\u003c\/li\u003e\n        \u003cli\u003e1-inch female BSP parallel brass connections\u003c\/li\u003e\n        \u003cli\u003eUseful complete-system flow stated up to 30 L\/min\u003c\/li\u003e\n        \u003cli\u003e5-micron final filtration\u003c\/li\u003e\n        \u003cli\u003eNo electrical supply or regeneration cycle required\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"rf-op2a__feature-strip\" aria-label=\"Osmio PRO-II-A highlights\"\u003e\n    \u003cdiv\u003e\n      \u003cspan aria-hidden=\"true\"\u003e2\u003c\/span\u003e\n      \u003cp\u003e\n        \u003cstrong\u003eTwo treatment stages\u003c\/strong\u003e\n        Complementary filter media\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv\u003e\n      \u003cspan aria-hidden=\"true\"\u003e5µ\u003c\/span\u003e\n      \u003cp\u003e\n        \u003cstrong\u003e5-micron filtration\u003c\/strong\u003e\n        Sediment, taste and odour\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv\u003e\n      \u003cspan aria-hidden=\"true\"\u003e30\u003c\/span\u003e\n      \u003cp\u003e\n        \u003cstrong\u003eUp to 30 L\/min\u003c\/strong\u003e\n        Published system guidance\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv\u003e\n      \u003cspan aria-hidden=\"true\"\u003e1″\u003c\/span\u003e\n      \u003cp\u003e\n        \u003cstrong\u003eFull-flow connections\u003c\/strong\u003e\n        Female BSP brass ports\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection id=\"rf-op2a-stages\" class=\"rf-op2a__alternating rf-op2a__alternating--reverse\"\u003e\n    \u003cdiv class=\"rf-op2a__media\"\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Osmio_Whole_House_Water_Filter_Cartridge_replacement.png?v=1790427997\" alt=\"Active Ceramics and carbon block stages in the Osmio PRO-II-A\" loading=\"lazy\"\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"rf-op2a__copy\"\u003e\n      \u003cp class=\"rf-op2a__eyebrow\"\u003eA defined two-stage sequence\u003c\/p\u003e\n      \u003ch2\u003eTwo complementary filters with separate service lives\u003c\/h2\u003e\n      \u003cp\u003e\n        Water passes through the Active Ceramics cartridge first and the carbon\n        block second. Each filter must be monitored and replaced according to\n        its own time or capacity limit.\n      \u003c\/p\u003e\n\n      \u003cdiv class=\"rf-op2a__stage-list\"\u003e\n        \u003carticle\u003e\n          \u003cspan\u003e01\u003c\/span\u003e\n          \u003cdiv\u003e\n            \u003ch3\u003e4.5 × 10-Inch Active Ceramics Filter\u003c\/h3\u003e\n            \u003cp\u003e\n              A patented blend of four active ceramic media, with each element\n              performing a different treatment function. Published service life\n              is 1–3 years or up to 300,000 litres, depending on incoming water\n              quality and usage.\n            \u003c\/p\u003e\n          \u003c\/div\u003e\n        \u003c\/article\u003e\n\n        \u003carticle\u003e\n          \u003cspan\u003e02\u003c\/span\u003e\n          \u003cdiv\u003e\n            \u003ch3\u003e4.5 × 10-Inch Carbon Block · 5 Micron\u003c\/h3\u003e\n            \u003cp\u003e\n              The final stage further reduces sediment, chlorine-related taste\n              and odour. Published capacity is 37,000 litres, with replacement\n              recommended every 6–12 months or sooner when conditions require.\n            \u003c\/p\u003e\n          \u003c\/div\u003e\n        \u003c\/article\u003e\n      \u003c\/div\u003e\n\n      \u003cp class=\"rf-op2a__note\"\u003e\n        \u003cstrong\u003eImportant:\u003c\/strong\u003e Published capacities are guidance rather\n        than a guaranteed service life. Higher contaminant levels, heavier use\n        and declining flow can require earlier replacement.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"rf-op2a__clarity\"\u003e\n    \u003cdiv\u003e\n      \u003cp class=\"rf-op2a__eyebrow\"\u003eChoose it for the correct purpose\u003c\/p\u003e\n      \u003ch2\u003eWhole-house filtration does not soften hard water\u003c\/h2\u003e\n      \u003cp\u003e\n        The PRO-II-A is intended for sediment, chlorine-related taste and odour\n        filtration. It does not remove the dissolved calcium and magnesium that\n        cause hard-water scale.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"rf-op2a__clarity-grid\"\u003e\n      \u003carticle\u003e\n        \u003cspan aria-hidden=\"true\"\u003e✓\u003c\/span\u003e\n        \u003cdiv\u003e\n          \u003ch3\u003eWhole-home filtration\u003c\/h3\u003e\n          \u003cp\u003eTreats the supply before distribution around the property.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/article\u003e\n\n      \u003carticle\u003e\n        \u003cspan aria-hidden=\"true\"\u003e+\u003c\/span\u003e\n        \u003cdiv\u003e\n          \u003ch3\u003eCan complement a softener\u003c\/h3\u003e\n          \u003cp\u003e\n            Filtration and softening can work together because their roles\n            differ.\n          \u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/article\u003e\n\n      \u003carticle\u003e\n        \u003cspan aria-hidden=\"true\"\u003e!\u003c\/span\u003e\n        \u003cdiv\u003e\n          \u003ch3\u003eNot limescale removal\u003c\/h3\u003e\n          \u003cp\u003eChoose a water softener when hardness reduction is the priority.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/article\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"rf-op2a__alternating\"\u003e\n    \u003cdiv class=\"rf-op2a__media\"\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Osmio_water_filter_cartridge.png?v=1790427997\" alt=\"Osmio PRO-II-A Active Ceramics and carbon filter cartridges\" loading=\"lazy\"\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"rf-op2a__copy\"\u003e\n      \u003cp class=\"rf-op2a__eyebrow\"\u003eCompact full-flow installation\u003c\/p\u003e\n      \u003ch2\u003eTwo antibacterial housings with flexible mounting options\u003c\/h2\u003e\n      \u003cp\u003e\n        The standard side-by-side arrangement requires approximately 46 cm of\n        height, 39 cm of width and 21 cm of depth. Where wall width is limited,\n        Osmio advises that the housings can be mounted one above the other.\n      \u003c\/p\u003e\n\n      \u003cul class=\"rf-op2a__ticks\"\u003e\n        \u003cli\u003eReinforced polypropylene heads and PET bowls\u003c\/li\u003e\n        \u003cli\u003eSilver-based antimicrobial protection within the housing plastic\u003c\/li\u003e\n        \u003cli\u003eEPDM bowl O-rings and pressure-release valve seals\u003c\/li\u003e\n        \u003cli\u003eMaximum housing working pressure: 6 bar\u003c\/li\u003e\n        \u003cli\u003eWorking temperature: 4–45°C\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp class=\"rf-op2a__note\"\u003e\n        \u003cstrong\u003eImportant:\u003c\/strong\u003e Antimicrobial housing construction protects\n        the product material. It does not mean the system disinfects incoming\n        water.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection id=\"rf-op2a-installation\" class=\"rf-op2a__installation\"\u003e\n    \u003cdiv class=\"rf-op2a__section-heading\"\u003e\n      \u003cp class=\"rf-op2a__eyebrow\"\u003ePlan before ordering\u003c\/p\u003e\n      \u003ch2\u003eInstallation requirements that affect flow and reliability\u003c\/h2\u003e\n      \u003cp\u003e\n        This system becomes part of the main plumbing. Incoming pressure, peak\n        demand, pipe size, wall strength, bypass design and servicing space must\n        be confirmed before installation.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"rf-op2a__steps\"\u003e\n      \u003carticle\u003e\n        \u003cspan\u003e01\u003c\/span\u003e\n        \u003ch3\u003eMeasure peak flow\u003c\/h3\u003e\n        \u003cp\u003e\n          Confirm the property’s actual peak demand. The stated 30 L\/min is\n          complete-system guidance, not a guarantee for every installation.\n        \u003c\/p\u003e\n      \u003c\/article\u003e\n\n      \u003carticle\u003e\n        \u003cspan\u003e02\u003c\/span\u003e\n        \u003ch3\u003eTest the pressure\u003c\/h3\u003e\n        \u003cp\u003e\n          Measure incoming pressure before installation. Osmio recommends a\n          pressure-reducing valve when the measured pressure exceeds 5 bar.\n        \u003c\/p\u003e\n      \u003c\/article\u003e\n\n      \u003carticle\u003e\n        \u003cspan\u003e03\u003c\/span\u003e\n        \u003ch3\u003eProvide a bypass\u003c\/h3\u003e\n        \u003cp\u003e\n          A three-valve bypass is recommended so water service can continue\n          while the system is isolated for maintenance.\n        \u003c\/p\u003e\n      \u003c\/article\u003e\n\n      \u003carticle\u003e\n        \u003cspan\u003e04\u003c\/span\u003e\n        \u003ch3\u003eAllow servicing space\u003c\/h3\u003e\n        \u003cp\u003e\n          Leave at least 2 inches below each bowl and adequate working space for\n          safely removing a water-filled housing.\n        \u003c\/p\u003e\n      \u003c\/article\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"rf-op2a__alternating rf-op2a__alternating--reverse\"\u003e\n    \u003cdiv class=\"rf-op2a__media\"\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Whole_House_Water_Filter_Spanner.png?v=1790427997\" alt=\"Housing spanner for servicing the Osmio PRO-II-A whole-house filter\" loading=\"lazy\"\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"rf-op2a__copy\"\u003e\n      \u003cp class=\"rf-op2a__eyebrow\"\u003eCommissioning and filter changes\u003c\/p\u003e\n      \u003ch2\u003eService each stage separately and protect the seals\u003c\/h2\u003e\n      \u003cp\u003e\n        Isolate and depressurise the system before removing a bowl. Use the\n        supplied housing spanner carefully, then clean the bowl and inspect the\n        O-ring before reassembly.\n      \u003c\/p\u003e\n\n      \u003cul class=\"rf-op2a__ticks\"\u003e\n        \u003cli\u003eApply drinking-water-safe silicone grease to the O-ring\u003c\/li\u003e\n        \u003cli\u003eOpen the incoming supply slowly after servicing\u003c\/li\u003e\n        \u003cli\u003eFlush through the nearest cold tap for five minutes\u003c\/li\u003e\n        \u003cli\u003eInitial black carbon fines or temporary cloudiness can occur\u003c\/li\u003e\n        \u003cli\u003eInspect every joint and bowl for leaks\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"rf-op2a__maintenance-panel\"\u003e\n    \u003cdiv\u003e\n      \u003cp class=\"rf-op2a__eyebrow\"\u003eCommissioning and ongoing care\u003c\/p\u003e\n      \u003ch2\u003eFlush slowly, record usage and inspect the seals\u003c\/h2\u003e\n      \u003cp\u003e\n        After installation or a cartridge change, fill the system slowly and\n        flush through the nearest cold tap for five minutes. Inspect for leaks\n        after commissioning and check the housings, fittings and O-rings at\n        least every six months.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"rf-op2a__life-grid\"\u003e\n      \u003carticle\u003e\n        \u003cstrong\u003e1–3 years\u003c\/strong\u003e\n        \u003cspan\u003eActive Ceramics\u003cbr\u003eor 300,000 litres\u003c\/span\u003e\n      \u003c\/article\u003e\n\n      \u003carticle\u003e\n        \u003cstrong\u003e6–12 months\u003c\/strong\u003e\n        \u003cspan\u003eCarbon block\u003cbr\u003eor 37,000 litres\u003c\/span\u003e\n      \u003c\/article\u003e\n\n      \u003carticle\u003e\n        \u003cstrong\u003eEvery 6 months\u003c\/strong\u003e\n        \u003cspan\u003eInspect housings,\u003cbr\u003efittings and O-rings\u003c\/span\u003e\n      \u003c\/article\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"rf-op2a__spec\"\u003e\n    \u003cdiv class=\"rf-op2a__section-heading\"\u003e\n      \u003cp class=\"rf-op2a__eyebrow\"\u003eVerified technical information\u003c\/p\u003e\n      \u003ch2\u003eOsmio PRO-II-A Advanced specification\u003c\/h2\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"rf-op2a__spec-list\"\u003e\n      \u003cdiv\u003e\n        \u003cstrong\u003eProduct type\u003c\/strong\u003e\n        \u003cspan\u003eTwo-stage point-of-entry whole-house filter\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv\u003e\n        \u003cstrong\u003eHousing format\u003c\/strong\u003e\n        \u003cspan\u003e2 × antibacterial 4.5 × 10-inch housings\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv\u003e\n        \u003cstrong\u003eStage 1\u003c\/strong\u003e\n        \u003cspan\u003e4.5 × 10-inch Active Ceramics filter\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv\u003e\n        \u003cstrong\u003eStage 2\u003c\/strong\u003e\n        \u003cspan\u003e4.5 × 10-inch carbon block, 5 micron\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv\u003e\n        \u003cstrong\u003eUseful complete-system flow\u003c\/strong\u003e\n        \u003cspan\u003eUp to 30 L\/min stated in the installation guide\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv\u003e\n        \u003cstrong\u003eMaximum housing flow rating\u003c\/strong\u003e\n        \u003cspan\u003e35 L\/min per individual housing data sheet\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv\u003e\n        \u003cstrong\u003eConnections\u003c\/strong\u003e\n        \u003cspan\u003e1-inch female BSP parallel brass threads\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv\u003e\n        \u003cstrong\u003eMaximum housing pressure\u003c\/strong\u003e\n        \u003cspan\u003e6 bar\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv\u003e\n        \u003cstrong\u003eWorking temperature\u003c\/strong\u003e\n        \u003cspan\u003e4–45°C\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv\u003e\n        \u003cstrong\u003eIndividual housing dimensions\u003c\/strong\u003e\n        \u003cspan\u003e360 mm high × 190 mm wide × 185 mm deep\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv\u003e\n        \u003cstrong\u003eApproximate assembled size\u003c\/strong\u003e\n        \u003cspan\u003e460 mm high × 390 mm wide × 210 mm deep\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv\u003e\n        \u003cstrong\u003eHead material\u003c\/strong\u003e\n        \u003cspan\u003eReinforced polypropylene with antibacterial technology\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv\u003e\n        \u003cstrong\u003eBowl material\u003c\/strong\u003e\n        \u003cspan\u003ePET with antimicrobial technology\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv\u003e\n        \u003cstrong\u003eO-ring material\u003c\/strong\u003e\n        \u003cspan\u003eEPDM\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv\u003e\n        \u003cstrong\u003eHousing standards listed\u003c\/strong\u003e\n        \u003cspan\u003eIAPMO RT to NSF\/ANSI 42, 61 and 372; CSA B483.1\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv\u003e\n        \u003cstrong\u003eInstallation location\u003c\/strong\u003e\n        \u003cspan\u003eIncoming cold main before it branches around the property\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv\u003e\n        \u003cstrong\u003ePower supply\u003c\/strong\u003e\n        \u003cspan\u003eNot required\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv\u003e\n        \u003cstrong\u003eIncluded accessories\u003c\/strong\u003e\n        \u003cspan\u003eMetal brackets, head-mounting screws and housing spanner\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"rf-op2a__documents\"\u003e\n    \u003cdiv\u003e\n      \u003cp class=\"rf-op2a__eyebrow\"\u003eInstallation information\u003c\/p\u003e\n      \u003ch2\u003eRead the manual before arranging the plumbing\u003c\/h2\u003e\n      \u003cp\u003e\n        The guide covers pressure checks, bypass planning, filter order,\n        mounting, O-ring preparation, commissioning and cartridge replacement.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003ca href=\"https:\/\/www.osmiowater.co.uk\/manuals\/Osmio%20Whole%20House%20Water%20Filter%20System%20Installation%20Guid.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\n      \u003cspan aria-hidden=\"true\"\u003e↓\u003c\/span\u003e\n      \u003cdiv\u003e\n        \u003cstrong\u003eOpen the installation manual\u003c\/strong\u003e\n        \u003csmall\u003eOfficial Osmio PDF · opens in a new tab\u003c\/small\u003e\n      \u003c\/div\u003e\n    \u003c\/a\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"rf-op2a__collections\"\u003e\n    \u003cdiv class=\"rf-op2a__section-heading\"\u003e\n      \u003cp class=\"rf-op2a__eyebrow\"\u003eContinue browsing\u003c\/p\u003e\n      \u003ch2\u003eCompare systems and plan future maintenance\u003c\/h2\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"rf-op2a__collection-grid\"\u003e\n      \u003ca href=\"\/collections\/whole-house-filters\"\u003e\n        \u003cspan\u003eW\u003c\/span\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eWhole-house filters\u003c\/strong\u003e\n          \u003csmall\u003eCompare point-of-entry filtration systems\u003c\/small\u003e\n        \u003c\/div\u003e\n        \u003cb aria-hidden=\"true\"\u003e→\u003c\/b\u003e\n      \u003c\/a\u003e\n\n      \u003ca href=\"\/collections\/osmio-water-filters-reverse-osmosis-purifiers\"\u003e\n        \u003cspan\u003eO\u003c\/span\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eShop Osmio\u003c\/strong\u003e\n          \u003csmall\u003eBrowse Osmio systems, filters and accessories\u003c\/small\u003e\n        \u003c\/div\u003e\n        \u003cb aria-hidden=\"true\"\u003e→\u003c\/b\u003e\n      \u003c\/a\u003e\n\n      \u003ca href=\"\/collections\/filter-replacements\"\u003e\n        \u003cspan\u003eF\u003c\/span\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eReplacement filters\u003c\/strong\u003e\n          \u003csmall\u003eFind cartridges for planned maintenance\u003c\/small\u003e\n        \u003c\/div\u003e\n        \u003cb aria-hidden=\"true\"\u003e→\u003c\/b\u003e\n      \u003c\/a\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"rf-op2a__faq\"\u003e\n    \u003cdiv class=\"rf-op2a__section-heading\"\u003e\n      \u003cp class=\"rf-op2a__eyebrow\"\u003eHelpful answers\u003c\/p\u003e\n      \u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n    \u003c\/div\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the difference between PRO-II-A and PRO-II-XL?\u003c\/summary\u003e\n      \u003cp\u003e\n        The PRO-II-A uses 4.5 × 10-inch cartridges and is listed for useful flow\n        up to 30 L\/min. The PRO-II-XL uses larger 4.5 × 20-inch cartridges and\n        is listed for useful flow up to 40 L\/min.\n      \u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWill the PRO-II-A remove limescale?\u003c\/summary\u003e\n      \u003cp\u003e\n        No. It is a filtration system rather than an ion-exchange water\n        softener, so it does not remove the dissolved calcium and magnesium that\n        cause hard-water scale.\n      \u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat flow rate should be used when sizing it?\u003c\/summary\u003e\n      \u003cp\u003e\n        Use the complete-system guidance of up to 30 L\/min, not the separate\n        35 L\/min maximum rating of an empty individual housing. Cartridge\n        condition, incoming pressure, pipework and peak demand all affect the\n        flow available in practice.\n      \u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow often are the filters replaced?\u003c\/summary\u003e\n      \u003cp\u003e\n        The Active Ceramics filter is listed for 1–3 years or 300,000 litres.\n        The carbon block is listed for 6–12 months or 37,000 litres. Replace\n        either cartridge sooner if water quality or declining flow requires it.\n      \u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eDoes the antibacterial housing disinfect the water?\u003c\/summary\u003e\n      \u003cp\u003e\n        No. The silver-based antimicrobial additive protects the housing\n        material. It is not a substitute for UV treatment or another validated\n        microbiological barrier.\n      \u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eShould a bypass be installed?\u003c\/summary\u003e\n      \u003cp\u003e\n        Yes, Osmio recommends a three-valve bypass where space permits. This\n        allows the filter to be isolated for maintenance while retaining a\n        route for water service.\n      \u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan the system be installed outside?\u003c\/summary\u003e\n      \u003cp\u003e\n        The manual permits an external installation only when the system and\n        pipework are properly boxed, weatherproofed and protected from freezing.\n        A suitable frost-protected internal location is preferable.\n      \u003c\/p\u003e\n    \u003c\/details\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"rf-op2a__support\"\u003e\n    \u003cdiv\u003e\n      \u003cp class=\"rf-op2a__eyebrow\"\u003ePremium product support\u003c\/p\u003e\n      \u003ch2\u003eNeed to confirm the flow, pressure or installation space?\u003c\/h2\u003e\n      \u003cp\u003e\n        Send us the incoming pipe size, measured pressure and flow, property\n        size and available installation dimensions. We will help determine\n        whether the PRO-II-A is appropriately sized before ordering.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"rf-op2a__support-actions\"\u003e\n      \u003ca href=\"tel:01216301130\"\u003e\n        \u003cspan aria-hidden=\"true\"\u003e☎\u003c\/span\u003e\n        Telephone\n      \u003c\/a\u003e\n\n      \u003ca href=\"mailto:info@regalflow.co.uk\"\u003e\n        \u003cspan aria-hidden=\"true\"\u003e✉\u003c\/span\u003e\n        Email\n      \u003c\/a\u003e\n\n      \u003ca href=\"https:\/\/wa.me\/441216301130\" target=\"_blank\" rel=\"noopener\"\u003e\n        \u003csvg viewbox=\"0 0 32 32\" aria-hidden=\"true\"\u003e\n          \u003cpath fill=\"currentColor\" d=\"M16.04 3A12.91 12.91 0 0 0 5.1 22.78L3 29l6.42-2.06A12.98 12.98 0 1 0 16.04 3Zm0 23.75a10.77 10.77 0 0 1-5.49-1.5l-.39-.23-3.81 1.22 1.25-3.71-.25-.38a10.82 10.82 0 1 1 8.69 4.6Zm5.93-8.1c-.33-.16-1.92-.95-2.22-1.06-.3-.11-.52-.16-.73.16-.22.33-.84 1.06-1.03 1.28-.19.22-.38.25-.71.08-.32-.16-1.37-.5-2.61-1.61a9.78 9.78 0 0 1-1.81-2.25c-.19-.33-.02-.5.14-.66.15-.15.33-.38.49-.57.16-.19.22-.33.33-.54.1-.22.05-.41-.03-.57-.08-.17-.73-1.76-1-2.41-.27-.64-.54-.55-.74-.56h-.63c-.22 0-.57.08-.87.41-.3.33-1.14 1.12-1.14 2.72s1.17 3.15 1.33 3.37c.16.22 2.3 3.51 5.57 4.92.78.34 1.39.54 1.86.69.78.25 1.49.21 2.05.13.63-.09 1.92-.79 2.19-1.55.27-.76.27-1.41.19-1.55-.08-.14-.3-.22-.62-.38Z\"\u003e\u003c\/path\u003e\n        \u003c\/svg\u003e\n        WhatsApp\n      \u003c\/a\u003e\n\n      \u003ca href=\"\/pages\/contact-regal-flow-support-inquiries\"\u003e\n        \u003cspan aria-hidden=\"true\"\u003e→\u003c\/span\u003e\n        Contact form\n      \u003c\/a\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\u003c\/div\u003e","brand":"Osmio","offers":[{"title":"Default Title","offer_id":62706378178947,"sku":null,"price":352.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Osmio_Whole_House_filters_for_water.png?v=1790427997","url":"https:\/\/regalflow.co.uk\/products\/osmio-pro-ii-a-advanced-whole-house-water-filter-system","provider":"Regal Flow","version":"1.0","type":"link"}