{"product_id":"cfs-ro-filter-kit-and-membrane-for-4sv-and-5sv-systems","title":"CFS Reverse Osmosis Membrane – 50 GPD with Check Valve – Fits 4SV, 5SV, ZeroWaste","description":"\u003cp\u003eA single CFS 50 GPD thin film composite reverse osmosis membrane with a built-in check valve, for 4SV, 5SV, and ZeroWaste systems. These systems are built around the integrated check valve – without it the drain line can siphon and the system runs on instead of shutting off, so a standard membrane is not a substitute here.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e50 GPD thin film composite membrane\u003c\/li\u003e\n\u003cli\u003eIntegrated check valve – required on 4SV, 5SV, and ZeroWaste systems\u003c\/li\u003e\n\u003cli\u003eMembrane only – no prefilters, carbon cartridges, or post-filter\u003c\/li\u003e\n\u003cli\u003eReplacing like for like at 50 GPD keeps your flow restrictor correct\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatible with:\u003c\/strong\u003e 4SV, 5SV, ZeroWaste\u003c\/p\u003e\u003cp\u003eQuestions about fit? Call us at 866-201-6896 — we're happy to check compatibility before you order.\u003c\/p\u003e","brand":"CFS","offers":[{"title":"Membrane Only","offer_id":44283511767174,"sku":"CFS-4SV-MEM50","price":31.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1454\/5650\/files\/medium_e986caeb-6c45-4f29-abed-acf531e99ec3.jpg?v=1787426770","url":"https:\/\/www.filters4you.net\/products\/cfs-ro-filter-kit-and-membrane-for-4sv-and-5sv-systems","provider":"Filters4you","version":"1.0","type":"link"}