{"product_id":"brass-floor-drain-valve-core-odor-seal-backflow-preventer","title":"Brass Floor Drain Valve Core – Odor Seal \u0026 Backflow Preventer","description":"\n\u003ch2\u003eKeep Your Home Fresh with Our Brass Floor Drain Core\u003c\/h2\u003e\n\u003cp\u003eSay goodbye to unpleasant sewer gases and standing water! This \u003cstrong\u003eOdor-Proof Floor Drain Valve Core\u003c\/strong\u003e is engineered to seal out sewer gases, block backflow, and filter debris — all while maintaining fast, efficient drainage. Ideal for kitchens, bathrooms, toilets, basements, garages, and laundry rooms, this plug-and-play drain insert is one of the simplest home upgrades you can make.\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\u003eGravity-Activated 90° Valve:\u003c\/strong\u003e Opens automatically when water flows and closes tightly when dry, keeping sewer gases sealed out at all times.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickened Silicone Liner:\u003c\/strong\u003e Creates a leak-proof, airtight seal to block unpleasant odors from rising through the drain.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Grille Filter Basket:\u003c\/strong\u003e Catches hair, debris, and foreign objects before they enter the drain — detachable for easy cleaning.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge Outlet Design:\u003c\/strong\u003e Maximizes drainage speed to keep your floors dry and your indoor environment fresh.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBackflow Prevention:\u003c\/strong\u003e Stops wastewater from reversing back into your space during pressure fluctuations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Installation:\u003c\/strong\u003e No tools required — simply insert into floor drains with an aperture of \u003cstrong\u003e36–39 mm\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Materials:\u003c\/strong\u003e Constructed from PC rubber, a copper ring, and a plastic filter for long-lasting performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e PC Rubber \/ Copper Ring \/ Plastic Filter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrainage Type:\u003c\/strong\u003e Gravity Straight Row\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Seal Height:\u003c\/strong\u003e 120 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Drain Aperture:\u003c\/strong\u003e 36–39 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFloor Drain Method:\u003c\/strong\u003e Deodorization Type\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Kitchen, Bathroom, Toilet, Basement, Garage, Laundry Room\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Plug and play — no tools needed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Floor Drain Core \/ Valve Insert\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/1-5l-handheld-steam-cleaner-touch-screen-1800w-ce-certified\"\u003e1.5L Handheld Steam Cleaner Touch Screen 1800W | CE Certified\u003c\/a\u003e – Perfect for deep-cleaning around drains and tiles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/1-30-pcs-mesh-zipper-file-bag-waterproof-moisture-proof-zipper-folder-toy-storage-bag-storage-tools-cosmetic-organization-bag\"\u003eMesh Zipper Storage Bags – Waterproof \u0026amp; Moisture-Proof\u003c\/a\u003e – Keep your bathroom essentials organized and dry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFurther Reading\u003c\/h3\u003e\n\u003cp\u003eFor tips on maintaining healthy home plumbing and indoor air quality, visit the \u003ca href=\"https:\/\/www.epa.gov\/indoor-air-quality-iaq\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eU.S. EPA Indoor Air Quality resource page\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What drain sizes is this floor drain valve compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This floor drain core is designed for drains with an inner aperture of \u003cstrong\u003e36–39 mm\u003c\/strong\u003e. It's a plug-and-play fit — simply insert it into the drain hole with no tools required.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the odor-seal mechanism work?\u003c\/h4\u003e\n\u003cp\u003eA: The valve uses a gravity-activated 90-degree opening and closing system. When water drains, the valve opens freely. When dry, it closes tightly — with a thickened silicone liner creating an airtight seal that prevents sewer gases from entering your home.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this drain valve prevent backflow?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The valve's gravity-closing design acts as a one-way gate, preventing wastewater from flowing back up through the drain during pressure changes or heavy use in connected pipes.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is it easy to clean the filter basket?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The grille filter basket is fully detachable, making it simple to remove, rinse, and replace. Regular cleaning ensures optimal drainage and odor control.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Where can this drain insert be used?\u003c\/h4\u003e\n\u003cp\u003eA: This versatile drain core works in kitchens, bathrooms, showers, toilets, basements, garages, and laundry rooms — anywhere you have a standard floor drain in the 36–39 mm size range.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What drain sizes is this floor drain valve compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This floor drain core is designed for drains with an inner aperture of 36–39 mm. It's a plug-and-play fit — simply insert it into the drain hole with no tools required.\"}}, {\"@type\": \"Question\", \"name\": \"How does the odor-seal mechanism work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The valve uses a gravity-activated 90-degree opening and closing system. When water drains, the valve opens freely. When dry, it closes tightly — with a thickened silicone liner creating an airtight seal that prevents sewer gases from entering your home.\"}}, {\"@type\": \"Question\", \"name\": \"Can this drain valve prevent backflow?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The valve's gravity-closing design acts as a one-way gate, preventing wastewater from flowing back up through the drain during pressure changes or heavy use in connected pipes.\"}}, {\"@type\": \"Question\", \"name\": \"Is it easy to clean the filter basket?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The grille filter basket is fully detachable, making it simple to remove, rinse, and replace. Regular cleaning ensures optimal drainage and odor control.\"}}, {\"@type\": \"Question\", \"name\": \"Where can this drain insert be used?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This versatile drain core works in kitchens, bathrooms, showers, toilets, basements, garages, and laundry rooms — anywhere you have a standard floor drain in the 36–39 mm size range.\"}}]}\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:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Bathroom Accessories\", \"item\": \"https:\/\/oasis-select.com\/collections\/bathroom-accessories\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Brass Floor Drain Valve Core – Odor Seal \u0026 Backflow Preventer\", \"item\": \"https:\/\/oasis-select.com\/products\/brass-floor-drain-valve-core-odor-seal-backflow-preventer\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"plastic","offer_id":47746287927401,"sku":"14:29#plastic","price":5.84,"currency_code":"USD","in_stock":true},{"title":"copper","offer_id":47746287960169,"sku":"14:10#copper","price":5.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/Sb798bf06c25b469cadfdd9ec3deaa766w.webp?v=1783055977","url":"https:\/\/oasis-select.com\/products\/brass-floor-drain-valve-core-odor-seal-backflow-preventer","provider":"Oasis Select","version":"1.0","type":"link"}