{"product_id":"ro-feed-water-adapter-1-2-to-1-4-3-8-shut-off-ball-valve-under-sink-water-filter","title":"RO Feed Water Adapter 1\/2 to 1\/4 3\/8 with Shut-Off Ball Valve","description":"\n\u003ch2\u003eRO Feed Water Adapter with Shut-Off Ball Valve – 1\/2\" to 1\/4\" \u0026amp; 3\/8\"\u003c\/h2\u003e\n\u003cp\u003eUpgrade your under-sink water filtration setup with this precision-crafted \u003cstrong\u003eRO Feed Water Adapter\u003c\/strong\u003e. Designed to connect 1\/2\" cold or hot water supply lines to 1\/4\" or 3\/8\" RO (reverse osmosis) tubing, this tee-style adapter features a built-in \u003cstrong\u003eshut-off ball valve\u003c\/strong\u003e for easy, tool-free water flow control. Whether you're installing a new water filter system or replacing an old fitting, this adapter makes the job clean and straightforward.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e304 Stainless Steel Construction\u003c\/strong\u003e – Corrosion-resistant and built to last in wet under-sink environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Sizing\u003c\/strong\u003e – Converts 1\/2\" feed lines to 1\/4\" or 3\/8\" tubing for maximum compatibility with most RO and water filter systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Shut-Off Ball Valve\u003c\/strong\u003e – Quickly shut off water supply for maintenance or filter changes without turning off the main supply\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated up to 850 kPa\u003c\/strong\u003e – Handles standard household water pressure with confidence\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTee Design\u003c\/strong\u003e – Allows simultaneous tap connection and RO feed line hookup without extra fittings\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSilver Finish\u003c\/strong\u003e – Sleek, metallic look that blends seamlessly under the sink\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Fit\u003c\/strong\u003e – Compatible with both cold and hot water pipes for flexible installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel (Metal)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInlet Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutlet Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/4\" \/ 3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 850 kPa\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eShut-Off Ball Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Set\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cp\u003e1 × RO Feed Water Adapter Tee Set with Shut-Off Ball Valve\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/100pcs-rubber-pourer-cap-winte-bottle-pour-spout-cover-pour-spouts-caps-bottles-rubber-caps-pourers-dust-covers-caps\"\u003e100pcs Rubber Pourer Cap – Bottle Pour Spout Covers \u0026amp; Dust Caps\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pcs-multifunctional-divided-tea-bag-organizer-paper-plate-dispenser-wood-station-design-coffee-pod-holder\"\u003eMultifunctional Tea Bag \u0026amp; Coffee Pod Holder Organizer\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-no-drill-non-trace-screw-hooks-5-7x5-7cm-thick-adhesive-invisible-picture-hanging-kit-for-photo-frame-keys\"\u003e10Pcs No-Drill Adhesive Screw Hooks – Invisible Hanging Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.fda.gov\/food\/buy-store-serve-safe-food\/food-safety-your-kitchen\" target=\"_blank\" rel=\"noopener\"\u003eFDA food safety in the kitchen\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What pipe sizes does this RO feed water adapter support?\u003c\/h4\u003e\n\u003cp\u003eA: This adapter connects a standard 1\/2\" water supply line to either a 1\/4\" or 3\/8\" RO or water filter feed line. It is compatible with both cold and hot water pipes, making it highly versatile for most under-sink water filter installations.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this adapter compatible with standard reverse osmosis (RO) systems?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This adapter is specifically designed for use with RO (reverse osmosis) and under-sink water filter systems. The tee configuration allows you to tap directly into your existing supply line and route water to your RO unit without disrupting the main plumbing.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the maximum water pressure this ball valve adapter can handle?\u003c\/h4\u003e\n\u003cp\u003eA: This adapter is rated for water pressure up to 850 kPa, which covers the typical operating range of standard residential water supply systems.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I use the shut-off ball valve on this adapter?\u003c\/h4\u003e\n\u003cp\u003eA: The integrated ball valve allows you to stop water flow to your RO or filter system with a simple 90° turn — no tools required. This is ideal when you need to swap out filters or perform maintenance without shutting off your entire water supply.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What pipe sizes does this RO feed water adapter support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This adapter connects a standard 1\/2\\\" water supply line to either a 1\/4\\\" or 3\/8\\\" RO or water filter feed line. It is compatible with both cold and hot water pipes, making it highly versatile for most under-sink water filter installations.\"}}, {\"@type\": \"Question\", \"name\": \"Is this adapter compatible with standard reverse osmosis (RO) systems?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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