{"title":"Under Sinks","description":"","products":[{"product_id":"purevaluero-5-stage-50-gpd-tfc-non-airgap-reverse-osmosis-system-purevalue-5ez50","title":"PureValue 5EZ50 Reverse Osmosis System 5-Stage 50 GPD","description":"\u003cp\u003eIf you are looking for a dependable, under sink reverse osmosis system then look no further than the PureValue 5EZ50. This 5-stage unit uses two carbon blocks versus one for increased reduction of organics, odors and other chemicals. After filtering through the first 4 stages, water passes through the GAC post filter for a final polish that enhances taste. The PureValue 5EZ50 is designed for under sink installation.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/review-purevalue5\"\u003eRead the full review of the PureValue RO drinking water system.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eIncludes\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRO System \u0026amp; Storage Tank\u003c\/li\u003e\n\u003cli\u003eFilters\u003c\/li\u003e\n\u003cli\u003eFaucet\u003c\/li\u003e\n\u003cli\u003eInstallation Kit\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PureValueRO","offers":[{"title":"Default Title","offer_id":43671917920437,"sku":"Purevalue-5EZ50","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/purevaluero-purevaluero-5-stage-50-gpd-tfc-non-air-gap-reverse-osmosis-system-purevalue-5ez50-purevalue-5ez50__31742.1691504752.1280.1280.jpg?v=1773763871"},{"product_id":"ro-conversion-kit-with-filters-50-gpd-1-4-connection-5ez50-rk","title":"RO Conversion Kit with Filters 50 GPD 1\/4\" Connection 5EZ50-RK","description":"\u003cp\u003eAs RO systems age, their components can start to malfunction leading to frustration and much time wasted trying to repair or replace various parts. Prevent the problems of an old RO system and avoid buying a whole, new system by using this retrofit kit. This kit allows you to keep using your current tank and faucet by only replacing the manifold (main component that holds all the filters). Leave your tank, faucet and lines installed in place. Simply remove your old system and plug the tubes into this new system. All filters and extra tubing included. \u003cb\u003eTo use, your current system must have 1\/4\" tubing from tank to faucet.\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e\u003cb\u003eIncludes\u003c\/b\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eRO System\u003c\/li\u003e \u003cli\u003eFilters\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PureValueRO","offers":[{"title":"Default Title","offer_id":43672116887733,"sku":"PUREVALUE-5EZ50-RK","price":239.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/PUREVALUE-5EZ50-RK.webp?v=1757542404"},{"product_id":"ro-conversion-kit-with-filters-50-gpd-3-8-connection-goldline","title":"RO Conversion Kit with Filters 50 GPD 3\/8\" Connection Goldline","description":"\u003cp\u003eAs RO systems age, their components can start to malfunction leading to frustration and much time wasted trying to repair or replace various parts. Prevent the problems of an old RO system and avoid buying a whole new system by using this retrofit kit. This kit allows you to keep using your current tank and faucet, and only replace the manifold (main component that holds all the filters). Learn more about retrofitting your RO system \u003ca href=\"\/how-to-update-your-reverse-osmosis-filter-system-and-save-money\/\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e \u003cp\u003eAgain, you can leave your existing tank, faucet and lines installed in place. Simply remove your old system manifold, and plug the tubes into this RO conversion kit. All filters and extra tubing included.\u003cstrong\u003e To use, your current system must have 3\/8\" tubing from tank to faucet.\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cb\u003eIncludes\u003c\/b\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eRO System\u003c\/li\u003e \u003cli\u003eFilters\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Goldline","offers":[{"title":"Default Title","offer_id":43672117051573,"sku":"GOLDLINE-50-RK","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/GOLDLINE-50-RK.webp?v=1757542683"},{"product_id":"microline-tfc-400-esp-ro-system-50-gpd","title":"Microline TFC-400-ESP RO System 50 GPD","description":"\u003cp\u003eThe Microline TFC-400 is a reliable and cost-effective reverse osmosis filtration system that delivers up to 50 gallons per day of clean, great-tasting water directly from your kitchen faucet. With four stages of filtration, the TFC-400 can significantly enhance the taste, odor, and overall quality of your drinking water by removing up to 99% of impurities and pollutants including lead, pesticides, VOCs, chlorine, arsenic, and more. \u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"\/pages\/review-microline-tfc-400\"\u003eRead the full review for the Microline TFC-400 RO drinking water system.\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eLearn more about\u003cspan style=\"text-decoration: underline;\"\u003e \u003ca href=\"\/pages\/air-gap-vs-non-air-gap-faucets-for-reverse-osmosis\"\u003eAIR GAP VS NON-AIR GAP faucet options\u003c\/a\u003e\u003c\/span\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRO System \u0026amp; Storage Tank\u003c\/li\u003e\n\u003cli\u003eFilters\u003c\/li\u003e\n\u003cli\u003eFaucet\u003c\/li\u003e\n\u003cli\u003eInstallation Kit\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ESP Water","offers":[{"title":"Default Title","offer_id":43672195137717,"sku":"TFC-400-ESP","price":319.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/TFC-400-ESP__65918.1696543709.1280.1280.jpg?v=1773762122"},{"product_id":"axeon-solo-i-all-in-one-4-stage-50-gpd-ro-system","title":"AXEON Solo I All-In-One 4-Stage 50 GPD RO System","description":"\u003cp\u003eThe AXEON® Solo I 50 GPD Reverse Osmosis System contains highly advanced membrane technology. To ensure water is safe, clean, and crisp, this system features four stages of filtration. It is fully integrated with a sediment filter, sintered carbon block, RO membrane, and an inline post carbon. The design allows for fast and easy service. Three of the four cartridges are within a single housing. The fourth stage can either consist of an inline post carbon for improved tasting water or an optional remineralization cartridge which will balance the water's pH level.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"\/pages\/review-axeon-solo\"\u003eRead the full review for the AXEON Solo.\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eLearn more about \u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"\/pages\/air-gap-vs-non-air-gap-faucets-for-reverse-osmosis\" title=\"The difference between air gap and non-air gap faucets\"\u003eAIR GAP VS NON-AIR GAP faucet options\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eIncludes\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRO System \u0026amp; Storage Tank\u003c\/li\u003e\n\u003cli\u003eFilters\u003c\/li\u003e\n\u003cli\u003eFaucet\u003c\/li\u003e\n\u003cli\u003eInstallation Kit\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AXEON","offers":[{"title":"Default Title","offer_id":43672201429173,"sku":"211470","price":345.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/axeon_solo.webp?v=1773762121"},{"product_id":"purotwist-4000-ro-system-with-quick-connect-filters-75-gpd-4-stage-pt4000t75","title":"PuROTwist 4000 1:1 RO System with Quick Connect Filters 75 GPD  4-Stage","description":"\u003cp\u003eThe newly upgraded PuROTwist reverse osmosis under-sink system now features a high-efficiency 75 GPD RO membrane, setting the industry standard for water conservation. With its innovative design, the PuROTwist achieves a 50% recovery rate or a 1:1 waste-water ratio, \u003cspan\u003e\u003cspan dir=\"ltr\" class=\"ui-provider a b c d e f g h i j k l m n o p q r s t u v w x y z ab ac ae af ag ah ai aj ak\"\u003ewasting significantly less water than a traditional RO membrane with a 4:1 waste-water ratio\u003c\/span\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003eMaintenance is simple with the q\u003cspan\u003e\u003cspan class=\"ui-provider a b c d e f g h i j k l m n o p q r s t u v w x y z ab ac ae af ag ah ai aj ak\" dir=\"ltr\"\u003euick-change twist-off filters for fast and simple filter replacements. The quick connect feed water diverter valve makes it so you can simply \u003c\/span\u003e\u003c\/span\u003etwist off the old filter and twist on the new one, requiring no tools, buckets, or mess.\u003c\/p\u003e\n\u003cp\u003eThe eco-friendly PuROTwist RO system can treat water at a rate of \u003cspan\u003e\u003cspan class=\"ui-provider a b c d e f g h i j k l m n o p q r s t u v w x y z ab ac ae af ag ah ai aj ak\" dir=\"ltr\"\u003e75 gallons per day, which is a much faster water production than standard RO systems. It also\u003c\/span\u003e\u003c\/span\u003e includes a beautiful designer chrome faucet that \u003cspan\u003e\u003cspan class=\"ui-provider em qw jh qx qy qz ra rb rc rd re rf rg rh ri rj rk rl rm rn ro rp rq rr rs rt ru rv rw rx ry rz sa sb sc\" dir=\"ltr\"\u003ecan be used with included \"Airgap\" or \"Non-airgap\" connection hardware to meet local plumbing code requirements\u003c\/span\u003e\u003c\/span\u003e. The system includes a dedicated chloramine and PFAS reduction filter, providing greater contaminant removal capabilities. Additionally, Installation is simple with the quick connect feed water diverter valve, ensuring convenient filter replacements.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/review-purotwist-4000\"\u003eRead the full review for the PuROTwist 4000 RO drinking water system.\u003c\/a\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e","brand":"PuROTwist","offers":[{"title":"Default Title","offer_id":44411838005429,"sku":"PT4000T75","price":469.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/PT4000-T75.jpg?v=1721149327"},{"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":"aqua-flo-475qc-3-3-stage-quick-change-filter-system-w-ultrafiltration-20010201","title":"Aqua Flo 475QC-3 Ultrafiltration Water Filter 3-Stage System 20010201","description":"\u003cp data-end=\"603\" data-start=\"236\"\u003eThe Aqua Flo 475QC-3 is a compact, high-performance 3-stage filtration system designed to deliver clean, great-tasting water without the need for a storage tank or drain connection. Featuring ultrafiltration (UF) technology \u003cspan\u003ereduces lead, VOC (pesticides, herbicides, chemicals), THM, chlorine, taste, odor \u0026amp; sediment as small as 0.2 microns, \u003c\/span\u003eand other common contaminants while preserving beneficial minerals in your water.\u003c\/p\u003e\n\u003cp data-end=\"867\" data-start=\"605\"\u003eThis system uses Aqua Flo’s innovative quick-change cartridges, making filter replacements fast, clean, and hassle-free, no tools required. It’s ideal for households seeking an efficient alternative to reverse osmosis with minimal wastewater and easy maintenance.\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":"Aqua Flo","offers":[{"title":"Default Title","offer_id":51232220709045,"sku":"20010201","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/20010201.webp?v=1750192388"},{"product_id":"aqua-flo-475qc-4-quick-change-4-stage-reverse-osmosis-system-20010023","title":"Aqua Flo 20010023 475QC-4 Quick-Change Under-Sink RO System, 4-Stage, 75 GPD","description":"\u003ch2\u003eAqua Flo 20010023 475QC-4 Under-Sink Reverse Osmosis System\u003c\/h2\u003e\n\u003cp\u003eThe Aqua Flo 20010023 475QC-4 is a four-stage drinking water system with a nominal 75 GPD reverse osmosis membrane. It includes the RO unit, sediment and carbon filters, storage tank, designer chrome faucet and installation kit.\u003c\/p\u003e\n\u003cp\u003eThe sediment and carbon cartridges use quarter-turn quick-change connections. The separate RO membrane connects to the system with quick-connect tubing.\u003c\/p\u003e\n\u003ch3\u003eFiltration and replacement parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStage 1: one 65010086 sediment pre-filter.\u003c\/li\u003e\n\u003cli\u003eStage 2: one 65010088 carbon pre-filter for chlorine, taste and odor reduction.\u003c\/li\u003e\n\u003cli\u003eStage 3: one 70010014 RO membrane for dissolved-solids reduction.\u003c\/li\u003e\n\u003cli\u003eStage 4: one 65010088 carbon post-filter for final taste and odor polishing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eThe manufacturer recommends replacing sediment and carbon filters every 12 months and the RO membrane every 24-36 months. Water conditions may require earlier replacement. Follow the installation and flushing instructions in the system manual.\u003c\/p\u003e\n\u003ch3\u003eFeed-water requirements\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePressure: 40-100 PSI.\u003c\/li\u003e\n\u003cli\u003eTemperature: 40-100°F.\u003c\/li\u003e\n\u003cli\u003eMaximum TDS: 2,000 ppm.\u003c\/li\u003e\n\u003cli\u003epH: 3-11.\u003c\/li\u003e\n\u003cli\u003eMaximum hardness: 7 grains per gallon.\u003c\/li\u003e\n\u003cli\u003eMaximum iron: 0.2 ppm; manganese: 0.05 ppm.\u003c\/li\u003e\n\u003cli\u003eHydrogen sulfide: 0 ppm; maximum turbidity: 1.0 NTU.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall on a potable cold-water supply near the dispensing faucet and a suitable drain. Actual membrane output varies with feed-water pressure, temperature and water quality. Do not use with microbiologically unsafe water or water of unknown quality without adequate disinfection before or after the system.\u003c\/p\u003e","brand":"Aqua Flo","offers":[{"title":"Default Title","offer_id":52344171397301,"sku":"20010023","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/20010023_cffadb7a-e8be-41d6-8066-284cb549318c.webp?v=1774403787"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/collections\/PT4000_75-9807130.webp?v=1773762313","url":"https:\/\/espwaterproducts.com\/collections\/single-faucet-ro-systems%20.oembed","provider":"ESP Water","version":"1.0","type":"link"}