{"product_id":"a-o-smith-ro-membrane-replacement-reverse-osmosis-under-sink-replacement-filter","title":"A.O. Smith RO Membrane Replacement Reverse Osmosis Under Sink Replacement Filter - Item # 12231966 | Model # AOS-HERO-S2","description":"\u003ch2\u003eA.O. Smith RO Membrane Replacement Reverse Osmosis Under Sink Replacement Filter - Item # 12231966 | Model # AOS-HERO-S2\u003c\/h2\u003e\n\u003cul class=\"bullets\"\u003e\n\u003cli\u003e\n\u003cp\u003eGet clean, healthy water by reducing 90 contaminants including chlorine, chloramine, lead, pesticides, PFOA\/PFOS, cysts, microplastics, and more\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReplacement filter for the AO Smith Clean Water Reverse Osmosis System (AOS-HERO-CHR)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse only certified, genuine AO Smith replacement filters for continued contaminant removal and system performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul data-start=\"27\" data-end=\"1493\"\u003e\n\u003cli data-section-id=\"vmcs8w\" data-start=\"27\" data-end=\"364\"\u003e\n\u003cp data-start=\"29\" data-end=\"364\"\u003e\u003cstrong data-start=\"29\" data-end=\"75\"\u003eEssential stage 2 RO replacement membrane:\u003c\/strong\u003e This \u003cstrong data-start=\"81\" data-end=\"128\"\u003egenuine A.O. Smith reverse osmosis membrane\u003c\/strong\u003e restores your system’s core contaminant‑removal performance when the original membrane nears end of life. It’s designed specifically for \u003cstrong data-start=\"266\" data-end=\"323\"\u003eA.O. Smith under‑sink RO systems (e.g., AOS‑HERO‑CHR)\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wbvxe6\" data-start=\"366\" data-end=\"644\"\u003e\n\u003cp data-start=\"368\" data-end=\"644\"\u003e\u003cstrong data-start=\"368\" data-end=\"402\"\u003eMaximum contaminant reduction:\u003c\/strong\u003e Engineered to reduce \u003cstrong data-start=\"424\" data-end=\"471\"\u003eup to ~99% of up to 90 harmful contaminants\u003c\/strong\u003e, including \u003cstrong data-start=\"483\" data-end=\"560\"\u003elead, mercury, pesticides, chlorine, cysts, PFOA\/PFOS and pharmaceuticals\u003c\/strong\u003e for cleaner, better‑tasting drinking water. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1bsao3h\" data-start=\"646\" data-end=\"858\"\u003e\n\u003cp data-start=\"648\" data-end=\"858\"\u003e\u003cstrong data-start=\"648\" data-end=\"678\"\u003eNSF‑certified performance:\u003c\/strong\u003e Tested and certified to \u003cstrong data-start=\"703\" data-end=\"727\"\u003eNSF\/ANSI Standard 58\u003c\/strong\u003e, ensuring the membrane meets industry standards for reverse osmosis contaminant reduction. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"i6dqvj\" data-start=\"860\" data-end=\"1088\"\u003e\n\u003cp data-start=\"862\" data-end=\"1088\"\u003e\u003cstrong data-start=\"862\" data-end=\"898\"\u003eDesigned for annual replacement:\u003c\/strong\u003e With typical life of \u003cstrong data-start=\"920\" data-end=\"939\"\u003eabout 12 months\u003c\/strong\u003e, replacing this membrane annually helps maintain high water quality and consistent flow from your RO system. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18pkl4w\" data-start=\"1090\" data-end=\"1291\"\u003e\n\u003cp data-start=\"1092\" data-end=\"1291\"\u003e\u003cstrong data-start=\"1092\" data-end=\"1121\"\u003eUnder‑sink compatibility:\u003c\/strong\u003e Sized and built for \u003cstrong data-start=\"1142\" data-end=\"1169\"\u003eunder‑sink installation\u003c\/strong\u003e, it integrates seamlessly with your existing RO system without major adjustments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"fideju\" data-start=\"1293\" data-end=\"1493\"\u003e\n\u003cp data-start=\"1295\" data-end=\"1493\"\u003e\u003cstrong data-start=\"1295\" data-end=\"1328\"\u003eSimple swap‑out installation:\u003c\/strong\u003e Quick membrane change lets you \u003cstrong data-start=\"1360\" data-end=\"1397\"\u003erefresh your system’s performance\u003c\/strong\u003e without needing specialized tools or professional help. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1495\" data-end=\"1824\"\u003e \u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"108\" data-end=\"293\"\u003e\u003cstrong data-start=\"108\" data-end=\"145\"\u003eQ: What is this product used for?\u003c\/strong\u003e\u003cbr data-start=\"145\" data-end=\"148\"\u003eA: Designed to \u003cstrong data-start=\"163\" data-end=\"190\"\u003ereplace the RO membrane\u003c\/strong\u003e in A.O. Smith reverse osmosis under-sink systems, ensuring continued purification of drinking water.\u003c\/p\u003e\n\u003cp data-start=\"295\" data-end=\"458\"\u003e\u003cstrong data-start=\"295\" data-end=\"335\"\u003eQ: What contaminants does it remove?\u003c\/strong\u003e\u003cbr data-start=\"335\" data-end=\"338\"\u003eA: Helps reduce \u003cstrong data-start=\"354\" data-end=\"420\"\u003edissolved solids, heavy metals, chlorine, and other impurities\u003c\/strong\u003e, improving taste and water quality.\u003c\/p\u003e\n\u003cp data-start=\"460\" data-end=\"595\"\u003e\u003cstrong data-start=\"460\" data-end=\"509\"\u003eQ: How often should the membrane be replaced?\u003c\/strong\u003e\u003cbr data-start=\"509\" data-end=\"512\"\u003eA: Typically every \u003cstrong data-start=\"531\" data-end=\"544\"\u003e2–3 years\u003c\/strong\u003e, depending on water quality and household usage.\u003c\/p\u003e\n\u003cp data-start=\"597\" data-end=\"756\"\u003e\u003cstrong data-start=\"597\" data-end=\"630\"\u003eQ: Is installation difficult?\u003c\/strong\u003e\u003cbr data-start=\"630\" data-end=\"633\"\u003eA: No. \u003cstrong data-start=\"640\" data-end=\"665\"\u003eEasy DIY installation\u003c\/strong\u003e with clear instructions, designed to fit directly into compatible A.O. Smith RO systems.\u003c\/p\u003e\n\u003cp data-start=\"758\" data-end=\"913\"\u003e\u003cstrong data-start=\"758\" data-end=\"813\"\u003eQ: Is it compatible with all A.O. Smith RO systems?\u003c\/strong\u003e\u003cbr data-start=\"813\" data-end=\"816\"\u003eA: Compatible specifically with \u003cstrong data-start=\"848\" data-end=\"910\"\u003eA.O. Smith Hero and other designated RO under-sink systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"915\" data-end=\"1068\"\u003e\u003cstrong data-start=\"915\" data-end=\"948\"\u003eQ: Does it affect water flow?\u003c\/strong\u003e\u003cbr data-start=\"948\" data-end=\"951\"\u003eA: Properly installed, the replacement membrane \u003cstrong data-start=\"999\" data-end=\"1030\"\u003emaintains normal flow rates\u003c\/strong\u003e and optimal filtration performance.\u003c\/p\u003e\n\u003cp data-start=\"1070\" data-end=\"1159\"\u003e\u003cstrong data-start=\"1070\" data-end=\"1109\"\u003eQ: What is included in the package?\u003c\/strong\u003e\u003cbr data-start=\"1109\" data-end=\"1112\"\u003eA: One \u003cstrong data-start=\"1119\" data-end=\"1156\"\u003eRO membrane replacement cartridge\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1xpjd7h\" data-start=\"117\" data-end=\"243\"\u003e\n\u003cp data-start=\"119\" data-end=\"243\"\u003e\u003cstrong data-start=\"119\" data-end=\"150\"\u003eReplace membrane regularly:\u003c\/strong\u003e Change the RO membrane every \u003cstrong data-start=\"180\" data-end=\"196\"\u003e12–24 months\u003c\/strong\u003e or when water output slows or taste changes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"z5clcc\" data-start=\"244\" data-end=\"379\"\u003e\n\u003cp data-start=\"246\" data-end=\"379\"\u003e\u003cstrong data-start=\"246\" data-end=\"275\"\u003eFlush after installation:\u003c\/strong\u003e Run \u003cstrong data-start=\"280\" data-end=\"304\"\u003e2–3 gallons of water\u003c\/strong\u003e through the new membrane to remove loose carbon and activate filtration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1exkon6\" data-start=\"380\" data-end=\"508\"\u003e\n\u003cp data-start=\"382\" data-end=\"508\"\u003e\u003cstrong data-start=\"382\" data-end=\"404\"\u003eCheck pre-filters:\u003c\/strong\u003e Replace \u003cstrong data-start=\"413\" data-end=\"448\"\u003esediment and carbon pre-filters\u003c\/strong\u003e on schedule to prevent membrane clogging and extend life.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3kk082\" data-start=\"509\" data-end=\"648\"\u003e\n\u003cp data-start=\"511\" data-end=\"648\"\u003e\u003cstrong data-start=\"511\" data-end=\"533\"\u003eInspect for leaks:\u003c\/strong\u003e Periodically check tubing, fittings, and connections under the sink to ensure \u003cstrong data-start=\"612\" data-end=\"645\"\u003etight, leak-free installation\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"tx8yr1\" data-start=\"649\" data-end=\"782\"\u003e\n\u003cp data-start=\"651\" data-end=\"782\"\u003e\u003cstrong data-start=\"651\" data-end=\"678\"\u003eMaintain clean housing:\u003c\/strong\u003e Wipe filter housing and area under the sink \u003cstrong data-start=\"723\" data-end=\"751\"\u003eto prevent contamination\u003c\/strong\u003e and ease future maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"A.O. Smith","offers":[{"title":"Default Title","offer_id":43533442515018,"sku":"Item # 12231966 | Model # AOS-HERO-S2","price":69.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/2387\/2074\/files\/image_34ea6b78-bca7-4ef0-afdb-0c7b0df17dae.png?v=1776876053","url":"https:\/\/mobility-ready.com\/es\/products\/a-o-smith-ro-membrane-replacement-reverse-osmosis-under-sink-replacement-filter","provider":"Mobility Ready","version":"1.0","type":"link"}