{"product_id":"osmio-reverse-osmosis-pre-filter-replacement-pack","title":"Osmio Reverse Osmosis Pre Filter Replacement Pack","description":"\u003cdiv class=\"rf-dopre-premium\"\u003e\n  \u003csection class=\"rfdopre-row\" aria-labelledby=\"rfdopre-intro\"\u003e\n    \u003cdiv\u003e\n      \u003cp class=\"rfdopre-kicker\"\u003eOsmio · DO10PRE\u003c\/p\u003e\n      \u003ch2 id=\"rfdopre-intro\"\u003eThree replacement pre-filters for your Osmio RO system\u003c\/h2\u003e\n      \u003cp\u003eRefresh the sediment and carbon stages that treat incoming water before it reaches the reverse osmosis membrane. The DO10PRE pack includes a 5-micron sediment cartridge, a granular activated carbon cartridge and a carbon block.\u003c\/p\u003e\n      \u003cdiv class=\"rfdopre-actions\"\u003e\n        \u003ca class=\"rfdopre-button\" href=\"#rfdopre-compatibility\"\u003eCheck compatibility\u003c\/a\u003e\n        \u003ca class=\"rfdopre-button\" href=\"#rfdopre-fitting\"\u003eSee fitting and flushing guidance\u003c\/a\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cfigure\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Osmio_Reverse_Osmosis_Pre_Filter_Replacement_Pack.png?v=1794213076\" alt=\"Osmio DO10PRE reverse osmosis pre-filter replacement pack\" loading=\"lazy\" decoding=\"async\"\u003e\n    \u003c\/figure\u003e\n  \u003c\/section\u003e\n\n  \u003cul class=\"rfdopre-feature-strip\" role=\"list\" aria-label=\"Key features\"\u003e\n    \u003cli\u003e\n\u003cspan class=\"rfdopre-feature-check\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003cdiv\u003e\n\u003cstrong\u003eThree pre-filters\u003c\/strong\u003e\u003cp\u003eRefresh stages 1–3 together.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"rfdopre-feature-check\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003cdiv\u003e\n\u003cstrong\u003e5-micron sediment\u003c\/strong\u003e\u003cp\u003eCatches particles before the carbon stages.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"rfdopre-feature-check\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003cdiv\u003e\n\u003cstrong\u003eTwo carbon stages\u003c\/strong\u003e\u003cp\u003eGranular carbon followed by a carbon block.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"rfdopre-feature-check\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003cdiv\u003e\n\u003cstrong\u003eSix-month HT+ schedule\u003c\/strong\u003e\u003cp\u003ePlan routine pre-filter changes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003csection class=\"rfdopre-spec\" aria-labelledby=\"rfdopre-compatibility\"\u003e\n    \u003cdiv\u003e\n      \u003cp class=\"rfdopre-kicker\"\u003eCompatibility and pack contents\u003c\/p\u003e\n      \u003ch2 id=\"rfdopre-compatibility\"\u003eCheck the three stages before you order\u003c\/h2\u003e\n      \u003cp\u003eThis pack is for the Osmio DO range. It matches the three pre-filter stages used in the Osmio HT+ Home \u0026amp; Office and Lab \u0026amp; Dental systems. For other RO systems, check the housing and cartridge specification for each stage.\u003c\/p\u003e\n      \u003cp\u003eIf the membrane or final cartridge is due for replacement, order those separately. Choose the final cartridge that matches your system.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdl class=\"rfdopre-spec__list\"\u003e\n      \u003cdiv\u003e\n\u003cdt\u003ePack reference\u003c\/dt\u003e\n\u003cdd\u003eDO10PRE\u003c\/dd\u003e\n\u003c\/div\u003e\n      \u003cdiv\u003e\n\u003cdt\u003eStage 1\u003c\/dt\u003e\n\u003cdd\u003e1 × 5-micron polypropylene sediment cartridge for suspended particles\u003c\/dd\u003e\n\u003c\/div\u003e\n      \u003cdiv\u003e\n\u003cdt\u003eStage 2\u003c\/dt\u003e\n\u003cdd\u003e1 × granular activated carbon (GAC) cartridge to reduce chlorine\u003c\/dd\u003e\n\u003c\/div\u003e\n      \u003cdiv\u003e\n\u003cdt\u003eStage 3\u003c\/dt\u003e\n\u003cdd\u003e1 × CTO carbon block for further chlorine and fine particle reduction\u003c\/dd\u003e\n\u003c\/div\u003e\n      \u003cdiv\u003e\n\u003cdt\u003eFeed water\u003c\/dt\u003e\n\u003cdd\u003eMicrobiologically safe cold water\u003c\/dd\u003e\n\u003c\/div\u003e\n    \u003c\/dl\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"rfdopre-care\" aria-labelledby=\"rfdopre-fitting\"\u003e\n    \u003cp class=\"rfdopre-kicker\"\u003eReplacement and servicing\u003c\/p\u003e\n    \u003ch2 id=\"rfdopre-fitting\"\u003eFit the cartridges in order and flush before use\u003c\/h2\u003e\n    \u003cp\u003eOsmio recommends replacing the first three HT+ filters every six months. For other compatible systems, use the service schedule and fitting instructions for your model.\u003c\/p\u003e\n    \u003col\u003e\n      \u003cli\u003eShut off the feed water. Disconnect power if your unit is powered and open the drinking tap to relieve pressure.\u003c\/li\u003e\n      \u003cli\u003eFit each cartridge in its matching housing in this order: sediment, granular carbon, then carbon block. Follow your system manual for the housing seals.\u003c\/li\u003e\n      \u003cli\u003eRestore the supply and check for leaks. Flush the new cartridges for at least 10 minutes as directed for the pack, then discard the flush water.\u003c\/li\u003e\n      \u003cli\u003eOn the HT+, follow the controller instructions for the F1 filter indicator and keep a record of the service date.\u003c\/li\u003e\n    \u003c\/ol\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"rfdopre-guide\" aria-labelledby=\"rfdopre-manual\"\u003e\n    \u003cdiv\u003e\n      \u003cp class=\"rfdopre-kicker\"\u003eManufacturer instructions\u003c\/p\u003e\n      \u003ch2 id=\"rfdopre-manual\"\u003eRead the HT+ manual before servicing\u003c\/h2\u003e\n      \u003cp\u003eUse the pre-filter installation and servicing sections to check housing seals, cartridge order and the F1 controller instructions.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003ca class=\"rfdopre-card rfdopre-manual-card\" href=\"https:\/\/www.osmiowater.co.uk\/mwdownloads\/download\/link\/id\/124\" target=\"_blank\" rel=\"noopener\"\u003e\n      \u003cspan class=\"rfdopre-card-icon\" aria-hidden=\"true\"\u003e↓\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eOpen the Osmio HT+ manual\u003c\/strong\u003e\u003csmall\u003ePDF · opens in a new tab\u003c\/small\u003e\u003c\/span\u003e\n      \u003cspan class=\"rfdopre-card-arrow\" aria-hidden=\"true\"\u003e→\u003c\/span\u003e\n    \u003c\/a\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"rfdopre-faq\" aria-labelledby=\"rfdopre-faq-title\"\u003e\n    \u003cp class=\"rfdopre-kicker\"\u003eHelpful answers\u003c\/p\u003e\n    \u003ch2 id=\"rfdopre-faq-title\"\u003eFrequently asked questions\u003c\/h2\u003e\n    \u003cdiv class=\"rfdopre-faq__items\"\u003e\n      \u003cdetails\u003e\n        \u003csummary\u003e\u003cspan\u003eWill this fit the Osmio HT+ Home \u0026amp; Office and Lab \u0026amp; Dental?\u003c\/span\u003e\u003cspan class=\"rfdopre-chevron\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\n        \u003cdiv class=\"rfdopre-faq__answer\"\u003e\u003cp\u003eBoth HT+ models use the same three pre-filter stages. The final cartridge differs between models, so match that part to your system if it is also due for replacement.\u003c\/p\u003e\u003c\/div\u003e\n      \u003c\/details\u003e\n      \u003cdetails\u003e\n        \u003csummary\u003e\u003cspan\u003eWill it fit a different reverse osmosis system?\u003c\/span\u003e\u003cspan class=\"rfdopre-chevron\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\n        \u003cdiv class=\"rfdopre-faq__answer\"\u003e\u003cp\u003eThe pack is listed for the Osmio DO range and may fit other systems with matching housings. Check the cartridge dimensions and your system’s approved filter specification before ordering.\u003c\/p\u003e\u003c\/div\u003e\n      \u003c\/details\u003e\n      \u003cdetails\u003e\n        \u003csummary\u003e\u003cspan\u003eDoes the pack include an RO membrane or a post-filter?\u003c\/span\u003e\u003cspan class=\"rfdopre-chevron\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\n        \u003cdiv class=\"rfdopre-faq__answer\"\u003e\u003cp\u003eThe pack contains the three pre-filters. The RO membrane and final cartridge are sold separately.\u003c\/p\u003e\u003c\/div\u003e\n      \u003c\/details\u003e\n      \u003cdetails\u003e\n        \u003csummary\u003e\u003cspan\u003eHow often should I replace the pre-filters?\u003c\/span\u003e\u003cspan class=\"rfdopre-chevron\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\n        \u003cdiv class=\"rfdopre-faq__answer\"\u003e\u003cp\u003eOsmio’s HT+ service schedule recommends replacing all three pre-filters every six months. For another compatible system, follow its own maintenance schedule.\u003c\/p\u003e\u003c\/div\u003e\n      \u003c\/details\u003e\n      \u003cdetails\u003e\n        \u003csummary\u003e\u003cspan\u003eHow long should I flush the new cartridges?\u003c\/span\u003e\u003cspan class=\"rfdopre-chevron\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\n        \u003cdiv class=\"rfdopre-faq__answer\"\u003e\u003cp\u003eThe pack instructions specify a flush of at least 10 minutes before use. Follow the flushing procedure for your system and discard the flush water.\u003c\/p\u003e\u003c\/div\u003e\n      \u003c\/details\u003e\n      \u003cdetails\u003e\n        \u003csummary\u003e\u003cspan\u003eWhich indicator do I reset on the HT+?\u003c\/span\u003e\u003cspan class=\"rfdopre-chevron\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\n        \u003cdiv class=\"rfdopre-faq__answer\"\u003e\u003cp\u003eFollow your controller instructions for F1, the filter-life indicator. F2 tracks the RO membrane separately. If you change only the pre-filters, keep a separate record of when the final cartridge is due.\u003c\/p\u003e\u003c\/div\u003e\n      \u003c\/details\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"rfdopre-related\" aria-labelledby=\"rfdopre-related-title\"\u003e\n    \u003cp class=\"rfdopre-kicker\"\u003eContinue browsing\u003c\/p\u003e\n    \u003ch2 id=\"rfdopre-related-title\"\u003eOsmio systems and replacement filters\u003c\/h2\u003e\n    \u003cdiv\u003e\n      \u003ca class=\"rfdopre-card\" href=\"https:\/\/regalflow.co.uk\/products\/osmio-ht-direct-flow-reverse-osmosis-system\"\u003e\n        \u003cspan class=\"rfdopre-card-icon\" aria-hidden=\"true\"\u003eH\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eOsmio HT+ system\u003c\/strong\u003e\u003csmall\u003eCheck the Home \u0026amp; Office model\u003c\/small\u003e\u003c\/span\u003e\n        \u003cspan class=\"rfdopre-card-arrow\" aria-hidden=\"true\"\u003e→\u003c\/span\u003e\n      \u003c\/a\u003e\n      \u003ca class=\"rfdopre-card\" href=\"https:\/\/regalflow.co.uk\/products\/osmio-ht-reverse-osmosis-membrane-replacement-filter\"\u003e\n        \u003cspan class=\"rfdopre-card-icon\" aria-hidden=\"true\"\u003eM\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eHT+ 400 GPD membrane\u003c\/strong\u003e\u003csmall\u003eShop the separate stage 4 element\u003c\/small\u003e\u003c\/span\u003e\n        \u003cspan class=\"rfdopre-card-arrow\" aria-hidden=\"true\"\u003e→\u003c\/span\u003e\n      \u003c\/a\u003e\n      \u003ca class=\"rfdopre-card\" href=\"https:\/\/regalflow.co.uk\/collections\/osmio-water-filters-reverse-osmosis-purifiers\"\u003e\n        \u003cspan class=\"rfdopre-card-icon\" aria-hidden=\"true\"\u003eO\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eShop Osmio\u003c\/strong\u003e\u003csmall\u003eBrowse Osmio systems and filters\u003c\/small\u003e\u003c\/span\u003e\n        \u003cspan class=\"rfdopre-card-arrow\" aria-hidden=\"true\"\u003e→\u003c\/span\u003e\n      \u003c\/a\u003e\n      \u003ca class=\"rfdopre-card\" href=\"https:\/\/regalflow.co.uk\/collections\/filter-replacements\"\u003e\n        \u003cspan class=\"rfdopre-card-icon\" aria-hidden=\"true\"\u003eF\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eFilter replacements\u003c\/strong\u003e\u003csmall\u003eFind cartridges for other systems\u003c\/small\u003e\u003c\/span\u003e\n        \u003cspan class=\"rfdopre-card-arrow\" aria-hidden=\"true\"\u003e→\u003c\/span\u003e\n      \u003c\/a\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"rfdopre-support\" aria-labelledby=\"rfdopre-support-title\"\u003e\n    \u003cdiv\u003e\n      \u003cp class=\"rfdopre-kicker\"\u003eFriendly product support\u003c\/p\u003e\n      \u003ch2 id=\"rfdopre-support-title\"\u003eNeed help choosing the right pre-filters?\u003c\/h2\u003e\n      \u003cp\u003eSend Regal Flow the model number and a photo of your existing cartridges or housings. We can help you check the pack before you order.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"rfdopre-support__actions\"\u003e\n      \u003ca class=\"rfdopre-button\" href=\"tel:+441216301130\"\u003e\u003cspan aria-hidden=\"true\"\u003e☎\u003c\/span\u003eTelephone\u003c\/a\u003e\n      \u003ca class=\"rfdopre-button\" href=\"mailto:info@regalflow.co.uk\"\u003e\u003cspan aria-hidden=\"true\"\u003e✉\u003c\/span\u003eEmail\u003c\/a\u003e\n      \u003ca class=\"rfdopre-button\" href=\"https:\/\/wa.me\/441216301130\"\u003e\u003cspan aria-hidden=\"true\"\u003e☎\u003c\/span\u003eWhatsApp\u003c\/a\u003e\n      \u003ca class=\"rfdopre-button rfdopre-button-primary\" href=\"\/pages\/contact-regal-flow-support-inquiries\"\u003e\u003cspan aria-hidden=\"true\"\u003e→\u003c\/span\u003eContact form\u003c\/a\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\u003c\/div\u003e\n","brand":"Osmio","offers":[{"title":"Default Title","offer_id":63257627132291,"sku":null,"price":21.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/6164\/8673\/files\/Osmio_Reverse_Osmosis_Pre_Filter_Replacement_Pack.png?v=1794213076","url":"https:\/\/regalflow.co.uk\/products\/osmio-reverse-osmosis-pre-filter-replacement-pack","provider":"Regal Flow","version":"1.0","type":"link"}