{"product_id":"under-sink-ro-system-5-stage","title":"Under-Sink 5-Stage Reverse Osmosis System — Complete Home Kit","description":"\u003ch2\u003eUnder-Sink 5-Stage Reverse Osmosis System — Complete Home Kit\u003c\/h2\u003e\u003cp\u003eThis 5-stage under-sink reverse osmosis system is a complete home installation kit for homeowners who want a dedicated drinking water filtration system connected directly to their cold water supply. Everything needed for installation is included in the box.\u003c\/p\u003e\u003ch3\u003eBest for:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHomeowners ready to install a permanent under-sink RO system\u003c\/li\u003e\n\u003cli\u003eFamilies switching from bottled water to filtered tap water\u003c\/li\u003e\n\u003cli\u003eAnyone replacing an existing under-sink RO system\u003c\/li\u003e\n\u003cli\u003eDIY-comfortable homeowners with basic plumbing tools\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey benefits:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComplete kit — filters, membrane, storage tank, faucet, tubing, and hardware included\u003c\/li\u003e\n\u003cli\u003e5-stage filtration sequence: sediment, carbon block (x2), RO membrane, post-carbon\u003c\/li\u003e\n\u003cli\u003e3.2-gallon pressurized storage tank\u003c\/li\u003e\n\u003cli\u003eDedicated RO drinking water faucet included\u003c\/li\u003e\n\u003cli\u003eNo extra purchases required for initial installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility:\u003c\/h3\u003e\u003cp\u003eRequires access to a cold water supply line, a drain line, and a countertop or sink with a pre-drilled faucet hole (or ability to drill one). Verify your under-sink space dimensions before ordering. A drain saddle is required for drain line connection — verify inclusion with supplier before ordering.\u003c\/p\u003e\u003ch3\u003eWhat’s included:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStage 1: Sediment filter\u003c\/li\u003e\n\u003cli\u003eStage 2 \u0026amp; 3: Carbon block filters\u003c\/li\u003e\n\u003cli\u003eStage 4: 75 GPD RO membrane\u003c\/li\u003e\n\u003cli\u003eStage 5: Post-carbon inline filter\u003c\/li\u003e\n\u003cli\u003e3.2-gallon pressurized storage tank\u003c\/li\u003e\n\u003cli\u003eDrinking water faucet (verify lead-free certification with manufacturer documentation before purchase)\u003c\/li\u003e\n\u003cli\u003eTubing, fittings, and mounting hardware\u003c\/li\u003e\n\u003cli\u003eInstallation guide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReplacement schedule:\u003c\/h3\u003e\u003cp\u003eGeneral guidance — sediment and carbon filters every 6 months; membrane and post-carbon filter annually. Annual replacement filter kits are available in our store.\u003c\/p\u003e\u003ch3\u003eInstallation notes:\u003c\/h3\u003e\u003cp\u003eDIY-friendly for homeowners with basic plumbing experience. Most installations take 1–2 hours. Requires drilling a faucet hole if one is not pre-existing. No soldering required.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cem\u003eIf you are responding to a local utility notice or boil-water advisory, follow your local utility or health department’s official instructions first. This product is not a substitute for official emergency water guidance.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cem\u003eCertification and contaminant reduction claims depend on manufacturer documentation for the specific product. Verify faucet lead-free certification and all performance claims with the manufacturer before purchase.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions:\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDo I need a plumber to install this?\u003c\/strong\u003e\u003cbr\u003eMost homeowners with basic DIY experience can install this system. A plumber is not required but may be preferred.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this system reduce heavy metals?\u003c\/strong\u003e\u003cbr\u003eContaminant reduction claims depend on the specific manufacturer documentation. Verify before purchase.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the faucet lead-free?\u003c\/strong\u003e\u003cbr\u003eThe faucet is described as lead-free by the supplier. Verify NSF\/ANSI 61 or equivalent certification with manufacturer documentation before purchase.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the GPD output?\u003c\/strong\u003e\u003cbr\u003eVerify the specific GPD rating with manufacturer documentation for your unit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat if I received a water notice?\u003c\/strong\u003e\u003cbr\u003eFollow your utility or health department’s official instructions first. This product is not a substitute for official emergency water guidance.\u003c\/p\u003e","brand":"ROFilterShop","offers":[{"title":"Default Title","offer_id":46087620788410,"sku":"RO-SYSTEM-UNDERSINK-5STAGE","price":189.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/7488\/3002\/files\/image_b5633bf0-53ea-4fc3-bbb3-908f8eefe8b1.png?v=1783123865","url":"https:\/\/rofiltershop.com\/products\/under-sink-ro-system-5-stage","provider":"rofiltershop.com","version":"1.0","type":"link"}