{"title":"Rainsoft Ultrefiner II","description":"","products":[{"product_id":"omnipure-2-5-x-12-q-series-5-mic-sediment-filter-q5605","title":"Omnipure Q5605 Sediment Filter 5 Micron 2.5\" x 12\"","description":"\u003cp\u003eThe Q5605 sediment filter is an easy-to-install replacement filter for your under-counter RO systems. The filter reduces sediment particles, including dirt and sand, up to 5 microns.\u003c\/p\u003e","brand":"Omnipure","offers":[{"title":"Default Title","offer_id":43671917985973,"sku":"Q5605","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/omnipure-omnipure-q-series-2.5-x-12-5-mic-sediment-filter-q5605-q5605__46900.1652381235.1280.1280.jpg?v=1790993226"},{"product_id":"omnipure-2-5-x-12-q-series-10-mic-carbon-block-filter-q5621","title":"Omnipure Q5621 Carbon Block Filter 10 Micron 2.5 \" x 12\"","description":"\u003cp\u003eThe Q-Series filter, manufactured by Omnipure, is an easy-to-install replacement cartridge that twists right into a permanent head. By using the Q5621 carbon block with your RO system, you reduce chlorine, taste, odor and sediment as small as 10 microns.\u003c\/p\u003e","brand":"Omnipure","offers":[{"title":"Default Title","offer_id":43671918149813,"sku":"Q5621","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/omnipure-omnipure-q5621-q-series-carbon-block-filter-replacement-10-micron-2.5-x-12-q5621__02482.1652381279.1280.1280.jpg?v=1790993513"},{"product_id":"omnipure-2-5-x-12-q-series-gac-t33-carbon-filter-q5633","title":"Omnipure Q5633 Granular Carbon Filter GAC T33 2.5\" x 12\"","description":"\u003cp\u003eThe Q-Series filter, manufactured by Omnipure, is an easy-to-install replacement cartridge that twists right into a permanent head. The Q5633 GAC filter uses granular activated carbon to reduce chlorine, taste and odor making it ideal for pre- or post RO filtration. The Q5633 filter is interchangeable with the following filters: Q5636, Q5628 and Q5640.\u003c\/p\u003e","brand":"Omnipure","offers":[{"title":"Default Title","offer_id":43671918215349,"sku":"Q5633","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/omnipure-q5633-gac-t33-carbon-filter.jpg?v=1790993512"},{"product_id":"ro-system-conversion-kit-with-quick-change-filters-75-gpd-pt4000t75-rk","title":"RO System Conversion Kit with Quick Change Filters 75 GPD PT4000T75-RK","description":"\u003cp\u003eIf your current RO system uses expensive proprietary filters, we recommend you convert your system to a PuROTwist Reverse Osmosis Water Filter System.\u003c\/p\u003e\n\u003cp\u003eThis high quality \u003ca href=\"\/how-to-update-your-reverse-osmosis-filter-system-and-save-money\/\"\u003econversion kit\u003c\/a\u003e includes just the manifold and filters. You can keep your tank, faucet and lines installed in place. Simply remove your old system and plug the tubes into this new system. Later, to replace the filters for this system, simply twist the used filter off and twist the new filter on, at nearly half the price of your proprietary filters! No tools, no buckets, and no mess. The PT4000T75-RK is a 4 stage, point-of-use RO system that treats water at 75 GPD.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"\/how-to-update-your-reverse-osmosis-filter-system-and-save-money\/\"\u003eLearn more\u003c\/a\u003e about how a RO retrofit kit can save you money AND extend the life of your RO system.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eIncludes\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRO System\u003c\/li\u003e\n\u003cli\u003eFilters\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PuROTwist","offers":[{"title":"Default Title","offer_id":44439965728949,"sku":"PT4000T75-RK","price":349.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/ro-conversion-kit-w-manifold-and-filters-only-purotwist-4-stage-50-gpd-tfc-ro-system-pt4000t50-ss-rk-pt4000t50-ss-rk__31695.1691505339.1280.1280.jpg?v=1773761924"},{"product_id":"omnipure-tq56-75-xhr-fc200-ro-membrane-75-gpd-with-flow-restrictor","title":"Omnipure TQ56-75-XHR-FC200 RO membrane 75 GPD with Flow Restrictor","description":"\u003cp\u003e\u003cspan\u003eUpgrade to the Omnipure TQ56-75-XHR-FC200 encapsulated RO membrane — engineered for higher efficiency, superior contaminant rejection, and an industry-leading 1:1 pure water to water waste ratio. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eREPLACES ANY OF THESE RO MEMBRANES:\u003c\/strong\u003e\u003cbr\u003e• TQ56-15FC (15–18 GPD) — upgrade to 4× more output\u003cbr\u003e• TQ56-36FC (36 GPD) — upgrade to 2× more output\u003cbr\u003e• TQ56-50FC \/ TQ56-50FV (50 GPD) — get 50% more water\u003cbr\u003e• TQ56-75FC (75 GPD) — direct performance match\u003cbr\u003e• TQ56-100CV (100 GPD) — universal compatible replacement\u003cbr\u003e• Q5672-50FC, Q5672-SA, Q5572-SA — direct Omnipure Q-Series replacement\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eENVIRO FRIENDLY 1:1 WATER WASTE RATIO \u003cbr\u003e\u003c\/strong\u003eThe TQ56-75-XHR-FC200 is built around a Thin Film Composite (TFC) membrane — the gold standard in reverse osmosis filtration. TFC's multi-layer polyamide construction delivers maximum contaminant rejection at lower operating pressures, producing faster flow rates and a longer membrane lifespan. That efficiency is what makes the \u003cstrong\u003e1:1\u003c\/strong\u003e pure-to-waste ratio possible: for every gallon of clean water produced, only one gallon is discarded — compared to 3 to 4 gallons wasted by conventional RO systems.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBUILT-IN FC200 FLOW RESTRICTOR INCLUDED\u003c\/strong\u003e\u003cbr\u003eUnlike bare 1812-format membranes that require a separate flow restrictor, the TQ56-75-XHR-FC200 includes a factory-integrated FC200 (200 mL) flow control. Just twist out the old membrane, twist in the new one. No tools. No extra parts. No mess.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEXTRA HIGH REJECTION (XHR) PERFORMANCE\u003c\/strong\u003e\u003cbr\u003eThe XHR membrane technology delivers superior contaminant rejection rates, reducing lead, mercury, fluoride, Arsenic V, barium, cadmium, chromium III \u0026amp; VI, copper, nitrate, nitrite, radium, selenium, and total dissolved solids (TDS) from your drinking water. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSYSTEM COMPATIBILITY\u003c\/strong\u003e\u003cbr\u003eCompatible with: PuROTwist 4000 (50 GPD \u0026amp; 75 GPD models), PuROTwist 3000, and any system using Omnipure Q-Series twist-connect filter heads.\u003c\/p\u003e\n\u003cp\u003eNOTE: This is an encapsulated Q-Series membrane (12.75\" × 2.5\" with Q-twist connector). It is not a standard 1812 bare membrane. If your system uses Omnipure Q-Series or PuROTwist-style twist-connect filters, this is the correct replacement.\u003c\/p\u003e","brand":"Omnipure","offers":[{"title":"Default Title","offer_id":44449942274229,"sku":"TQ56-75-XHR-FC200","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/TQ56-75-XHR-FC200.webp?v=1790976623"},{"product_id":"purotwist-4000-ro-filter-replacement-kit-with-75-gpd-membrane","title":"PuROTwist 4000 RO Filter Replacement Kit with 75 GPD Membrane","description":"\u003cp\u003e\u003cstrong\u003e1-Year Filter Replacement Kit for PuROTwist 4000 with 75 GPD TFC Reverse Osmosis Membrane and FREE Replacement O-Rings\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eINCLUDES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSTAGE 1 - 1x Sediment Pre-Filter (\u003ca title=\"Q5605\" href=\"\/products\/omnipure-2-5-x-12-q-series-5-mic-sediment-filter-q5605?variant=43671917985973\"\u003eQ5605\u003c\/a\u003e) - Replace every 6-12 months or as needed\u003c\/li\u003e\n\u003cli\u003eSTAGE 2 - 1x Carbon GAC Pre-Filter (\u003ca title=\"Q5621\" href=\"\/products\/omnipure-2-5-x-12-q-series-10-mic-carbon-block-filter-q5621\"\u003eQ5621\u003c\/a\u003e\u003ca href=\"\/products\/omnipure-q5629-carbon-block-filter-with-chloramine-reduction-1-micron\" title=\"Q5629\"\u003e\u003c\/a\u003e) - Replace every 6-12 months or as needed\u003c\/li\u003e\n\u003cli\u003eSTAGE 3 - 1x RO Membrane TFC 75 GPD (\u003ca href=\"\/products\/omnipure-tq56-75-xhr-fc200-ro-membrane-75-gpd-with-flow-restrictor\" title=\"TQ56-75-XHR-FC200\"\u003eTQ56-75-XHR-FC200\u003c\/a\u003e) - Replace every 24 months\u003c\/li\u003e\n\u003cli\u003eSTAGE 4 - 1x Carbon GAC Post Filter (\u003ca href=\"\/products\/omnipure-2-5-x-12-q-series-gac-t33-carbon-filter-q5633\" title=\"Q5633\"\u003eQ5633\u003c\/a\u003e) - Replace every 6-12 months or as needed\u003c\/li\u003e\n\u003cli\u003eO-RINGS - FREE Replacement O-rings for Filter Heads (4x \u003ca href=\"\/products\/omnipure-q-series-head-o-ring-large-h-118\" title=\"H-118\"\u003eH-118\u003c\/a\u003e and 4x \u003ca href=\"\/products\/omnipure-q-series-head-o-ring-small-h-011\" title=\"H-011\"\u003eH-011\u003c\/a\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"231\" data-end=\"352\"\u003e\u003cspan\u003e\u003cstrong\u003eIncludes High-Efficiency Membrane: \u003c\/strong\u003eThis PuROTwist 4000 filter kit features a 75 GPD membrane built on a 1:1 pure-to-wastewater ratio, a major improvement over older 3:1 or 4:1 RO membranes that waste far more water per gallon produced — well-suited for households with moderate to high water use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"231\" data-end=\"352\"\u003eWe offer\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"240\" data-end=\"271\"\u003etwo replacement filter kits\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eso you can get exactly what you need — and avoid paying for filters you don’t.\u003c\/p\u003e\n\u003cul data-start=\"354\" data-end=\"812\"\u003e\n\u003cli data-start=\"354\" data-end=\"542\"\u003e\n\u003cp data-start=\"356\" data-end=\"542\"\u003e\u003cstrong data-start=\"356\" data-end=\"394\"\u003eYear 1 Kit found on this page (Includes RO Membrane):\u003c\/strong\u003e\u003cbr data-start=\"394\" data-end=\"397\"\u003eIdeal for your\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"414\" data-end=\"440\"\u003efirst full replacement\u003c\/strong\u003e, this kit includes\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"460\" data-end=\"496\"\u003eall filters plus the RO membrane\u003c\/strong\u003e, which typically lasts up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"526\" data-end=\"539\"\u003e24 months\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"544\" data-end=\"812\"\u003e\n\u003cp data-start=\"546\" data-end=\"812\"\u003e\u003cstrong data-start=\"546\" data-end=\"583\"\u003e\u003ca href=\"https:\/\/ispwaterproducts.com\/products\/purotwist-4000t75-replacement-filter-kit-membrane-sold-separately?variant=44496806838453\"\u003eYear 2 Kit (Without RO Membrane)\u003c\/a\u003e:\u003c\/strong\u003e\u003cbr data-start=\"583\" data-end=\"586\"\u003eAfter the first year, you only need to replace the\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"639\" data-end=\"670\"\u003epre- and post-filters\u003c\/strong\u003e, since the\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"682\" data-end=\"728\"\u003eRO membrane is still good for another year\u003c\/strong\u003e. This kit helps you\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"749\" data-end=\"763\"\u003esave money\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewhile keeping your system performing like new.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Filters may need to be replaced more often than indicated, depending on water contaminant levels and volume of water being treated.\u003c\/p\u003e","brand":"ESP Water","offers":[{"title":"Default Title","offer_id":44496786751669,"sku":"YSM-PURO4T75","price":170.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/YSM-PURO4T75_c2629e21-0212-480a-92be-9327231dea1c.jpg?v=1773761975"},{"product_id":"purotwist-4000t75-replacement-filter-kit-membrane-sold-separately","title":"PuROTwist 4000T75 Replacement Filter Kit - Membrane Sold Separately","description":"\u003cp\u003e\u003cstrong\u003eFilter Replacement Kit for PuROTwist 4000 Reverse Osmosis System (RO Membrane Sold Separately)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eINCLUDES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSTAGE 1 - 1x Sediment Pre-Filter (\u003ca title=\"Q5605\" href=\"\/products\/omnipure-2-5-x-12-q-series-5-mic-sediment-filter-q5605?variant=43671917985973\"\u003eQ5605\u003c\/a\u003e) - Replace every 6-12 months or as needed\u003c\/li\u003e\n\u003cli\u003eSTAGE 2 - 1x Carbon GAC Pre-Filter (\u003ca title=\"Q5621\" href=\"\/products\/omnipure-2-5-x-12-q-series-10-mic-carbon-block-filter-q5621\"\u003eQ5621\u003c\/a\u003e) - Replace every 6-12 months or as needed\u003c\/li\u003e\n\u003cli\u003eSTAGE 3 - 0x (RO Membrane \u003ca href=\"\/products\/omnipure-tq56-75-xhr-fc200-ro-membrane-75-gpd-with-flow-restrictor\" title=\"TQ56-75-XHR-FC200\"\u003eTQ56-75-XHR-FC200\u003c\/a\u003e Sold Separately or with Replacement Kits \u003ca href=\"\/products\/purotwist-4000-ro-filter-replacement-kit-with-75-gpd-membrane\" title=\"PT4000T75 75 GPD\"\u003eYSM-PURO4T75\u003c\/a\u003e) - Replace every 24 months\u003c\/li\u003e\n\u003cli\u003eSTAGE 4 - 1x Carbon GAC Post Filter (\u003ca href=\"\/products\/omnipure-2-5-x-12-q-series-gac-t33-carbon-filter-q5633\" title=\"Q5633\"\u003eQ5633\u003c\/a\u003e) - Replace every 6-12 months or as needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"231\" data-end=\"352\"\u003eWe offer\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"240\" data-end=\"271\"\u003etwo replacement filter kits\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eso you can get exactly what you need — and avoid paying for filters you don’t.\u003c\/p\u003e\n\u003cul data-start=\"354\" data-end=\"812\"\u003e\n\u003cli data-start=\"354\" data-end=\"542\"\u003e\n\u003cp data-start=\"356\" data-end=\"542\"\u003e\u003cstrong data-start=\"356\" data-end=\"394\"\u003e\u003ca href=\"https:\/\/ispwaterproducts.com\/products\/purotwist-4000-ro-filter-replacement-kit-with-75-gpd-membrane?variant=44496786751669\"\u003eYear 1 Kit (Includes RO Membrane)\u003c\/a\u003e:\u003c\/strong\u003e\u003cbr data-start=\"394\" data-end=\"397\"\u003eIdeal for your\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"414\" data-end=\"440\"\u003efirst full replacement\u003c\/strong\u003e, this kit includes\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"460\" data-end=\"496\"\u003eall filters plus the RO membrane\u003c\/strong\u003e, which typically lasts up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"526\" data-end=\"539\"\u003e24 months\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"544\" data-end=\"812\"\u003e\n\u003cp data-start=\"546\" data-end=\"812\"\u003e\u003cstrong data-start=\"546\" data-end=\"583\"\u003eYear 2 Kit found on this page (Without RO Membrane):\u003c\/strong\u003e\u003cbr data-start=\"583\" data-end=\"586\"\u003eAfter the first year, you only need to replace the\u003cspan\u003e \u003c\/span\u003epre- and post-filters, since the RO membrane is still good for another year. This kit helps you save money while keeping your system performing like new.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Filters may need to be replaced more often than indicated depending on incoming water contaminant level and volume of water being treated.\u003c\/p\u003e","brand":"ESP Water","offers":[{"title":"Default Title","offer_id":44496806838453,"sku":"YS-PURO4T75","price":73.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/YS-PURO4T75.webp?v=1790976623"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/collections\/esp-collection-restored-c-64-20261005.png?v=1791228251","url":"https:\/\/ispwaterproducts.com\/collections\/rainsoft-ultrefiner-ii-three-stage-ro-system.oembed","provider":"ESP Water","version":"1.0","type":"link"}