{"product_id":"ro-feed-water-adapter-1-2-to-1-4-3-8-inch-shut-off-valve-under-sink-filter","title":"RO Feed Water Adapter 1\/2 to 1\/4 \u0026 3\/8\" with Shut-Off 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 durable \u003cstrong\u003eRO Feed Water Adapter\u003c\/strong\u003e. Designed to connect your reverse osmosis system to standard 1\/2\" cold or hot water supply lines, this tee adapter splits the feed into 1\/4\" and 3\/8\" outlets — giving you flexible, leak-resistant connections right out of the box. The integrated \u003cstrong\u003eshut-off ball valve\u003c\/strong\u003e lets you control water flow without having to shut off the main supply, making filter changes and maintenance a breeze.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love This Adapter\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Sizing:\u003c\/strong\u003e Converts a 1\/2\" water line to both 1\/4\" and 3\/8\" outlets — compatible with most standard RO and under-sink filter systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Shut-Off Valve:\u003c\/strong\u003e Conveniently stop water flow to your filter without turning off your home's main water supply.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e304 Stainless Steel Construction:\u003c\/strong\u003e Corrosion-resistant and long-lasting, built to handle both hot and cold water lines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy DIY Installation:\u003c\/strong\u003e Simple tee design threads onto standard pipe fittings — no special tools required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Application:\u003c\/strong\u003e Ideal for RO systems, under-sink water filters, and other home water purification setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\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\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 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutlet Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/4 Inch \u0026amp; 3\/8 Inch\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\u003eCompatible With\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHot \u0026amp; Cold Water Pipes\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 (Adapter + Shut-Off Valve)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eRelated Products You May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/5-pack-silicone-o-ring-gaskets-vacuum-flask-lid-4-5cm-5-2cm-5-pack\"\u003e5-Pack Silicone O-Ring Gaskets for Vacuum Flask Lids 4.5 \u0026amp; 5.2cm\u003c\/a\u003e – Great for sealing connections and fittings throughout your home.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/waterproof-cable-gland-set-pg7-pg9-nylon-connectors-10-pack\"\u003e10-Pack Waterproof Cable Glands PG7 PG9 Nylon Connectors\u003c\/a\u003e – Handy waterproof fittings for any home plumbing or electrical project.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/foldable-stainless-steel-dish-draining-rack-roll-up-drainer-mat\"\u003eFoldable Stainless Steel Dish Draining Rack \u0026amp; Roll-Up Mat\u003c\/a\u003e – Another durable stainless steel kitchen essential for an organized sink area.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual color may vary slightly from images due to monitor brightness and lighting conditions. Please allow for minor measurement tolerances.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\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 is designed to connect a standard 1\/2-inch water supply line and split it into 1\/4-inch and 3\/8-inch outlets, making it compatible with the most common reverse osmosis and under-sink water filter tubing sizes.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this adapter be used on both hot and cold water lines?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The 304 stainless steel construction makes this adapter suitable for both hot and cold water supply pipes, giving you maximum flexibility for your installation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the shut-off valve included in the set?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the package includes 1 complete set with both the tee adapter and the integrated shut-off ball valve, so you have everything you need for a straightforward installation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do I need a plumber to install this RO feed water adapter?\u003c\/h4\u003e\n\u003cp\u003eA: Most homeowners with basic DIY skills can install this adapter themselves. It threads onto standard pipe fittings without the need for special tools. However, if you are unsure about your plumbing setup, consulting a professional plumber is always recommended.\u003c\/p\u003e\n\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 is designed to connect a standard 1\/2-inch water supply line and split it into 1\/4-inch and 3\/8-inch outlets, making it compatible with the most common reverse osmosis and under-sink water filter tubing sizes.\"}}, {\"@type\": \"Question\", \"name\": \"Can this adapter be used on both hot and cold water lines?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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However, if you are unsure about your plumbing setup, consulting a professional plumber is always recommended.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/sdf9i0-k1.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/sdf9i0-k1.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"RO Feed Water Adapter 1\/2 to 1\/4 \u0026 3\/8\\\" with Shut-Off Valve\", \"item\": \"https:\/\/sdf9i0-k1.myshopify.com\/products\/ro-feed-water-adapter-1-2-to-1-4-3-8-inch-shut-off-valve-under-sink-filter\"}]}\u003c\/script\u003e","brand":"QXL","offers":[{"title":"A","offer_id":46964565868743,"sku":"14:29#A","price":19.18,"currency_code":"USD","in_stock":true},{"title":"B","offer_id":46964565901511,"sku":"14:173#B","price":19.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0799\/8314\/9255\/files\/S449c4323d5354d8bbf92defc0e6b6c28k.webp?v=1786060160","url":"https:\/\/qxlcustomerservice.com\/products\/ro-feed-water-adapter-1-2-to-1-4-3-8-inch-shut-off-valve-under-sink-filter","provider":"QXL","version":"1.0","type":"link"}