{"product_id":"odor-proof-floor-drain-valve-backflow-preventer-sewer-core","title":"Odor-Proof Floor Drain Valve – Backflow Preventer \u0026 Sewer Core","description":"\n\u003cp\u003eKeep your kitchen, bathroom, and laundry room smelling fresh with this \u003cstrong\u003eOdor-Proof Floor Drain Core Valve\u003c\/strong\u003e. Designed as a direct plug-and-play replacement for standard floor drain openings (36–39 mm aperture), this smart drain insert uses a gravity-activated 90° opening and closing mechanism to let water flow freely while sealing off sewer gases when idle. The thickened silicone liner creates a reliable odor barrier, and the built-in grille filter basket catches hair and debris to prevent clogs — all without any tools or special skills needed to install.\u003c\/p\u003e\n\n\u003ch2\u003eWhy You'll Love It\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGravity-Activated Drain Valve:\u003c\/strong\u003e Opens automatically when water flows, closes instantly when dry — no manual operation needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOdor Barrier Technology:\u003c\/strong\u003e 120 mm water seal height combined with a thickened silicone liner blocks sewer gases from entering your living space.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBackflow Prevention:\u003c\/strong\u003e Stops sewer water from pushing back up through your floor drain.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDetachable Filter Basket:\u003c\/strong\u003e The grille filter basket catches hair and foreign objects; simply lift it out to clean in seconds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Drainage:\u003c\/strong\u003e Large-outlet, gravity straight-row design ensures water drains quickly, keeping floors dry.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Installation:\u003c\/strong\u003e Fits drain openings of 36–39 mm. No tools, adhesives, or plumbing experience required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Use:\u003c\/strong\u003e Ideal for bathrooms, showers, kitchens, toilets, basements, garages, and laundry rooms.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Materials:\u003c\/strong\u003e Made from PC rubber, copper ring, and a plastic filter — built to handle daily use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\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\u003eFit Aperture:\u003c\/strong\u003e 36–39 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Plug-and-play, no tools required\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Floor Drain Core Valve\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKeep Your Home Organized \u0026amp; Fresh\u003c\/h2\u003e\n\u003cp\u003eLooking for more clever home solutions? Check out our \u003ca href=\"\/products\/self-draining-leaf-soap-dish-waterfall-soap-holder\"\u003eSelf-Draining Leaf Soap Dish – Waterfall Soap Holder, Easy Clean\u003c\/a\u003e for a tidy sink area, or browse our \u003ca href=\"\/products\/japanese-style-wire-wall-mounted-storage-basket-shelf\"\u003eJapanese Wire Wall-Mounted Storage Basket \u0026amp; Hanging Shelf\u003c\/a\u003e to maximize your bathroom storage.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/saferchoice\" target=\"_blank\" rel=\"noopener\"\u003eEPA Safer Choice cleaning product guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What drain pipe size does this floor drain valve fit?\u003c\/h4\u003e\n\u003cp\u003eA: This floor drain core valve is designed to fit drain openings with an aperture of 36–39 mm. It's a plug-and-play insert, so no tools or modifications are required — simply drop it into your existing floor drain opening.\u003c\/p\u003e\n\u003ch4\u003eQ: How does the odor-proof floor drain valve block sewer smells?\u003c\/h4\u003e\n\u003cp\u003eA: The valve uses a gravity-activated 90° flap combined with a thickened silicone liner and a 120 mm water seal to create an effective barrier against sewer gases. When no water is flowing, the flap stays closed, sealing off odors from the sewer pipe below.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this drain valve be used in both the bathroom and kitchen?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This versatile floor drain core is suitable for bathrooms, showers, kitchens, toilets, basements, garages, and laundry rooms — any standard floor drain with a 36–39 mm aperture.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the filter basket easy to clean?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The grille filter basket is fully detachable. Simply lift it out, remove any trapped hair or debris, rinse it under water, and place it back in — no special tools or effort needed.\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 drain pipe size does this floor drain valve fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This floor drain core valve is designed to fit drain openings with an aperture of 36–39 mm. 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Simply lift it out, remove any trapped hair or debris, rinse it under water, and place it back in — no special tools or effort needed.\"}}]}\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:\/\/80721r-dv.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/80721r-dv.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Odor-Proof Floor Drain Valve – Backflow Preventer \u0026 Sewer Core\", \"item\": \"https:\/\/80721r-dv.myshopify.com\/products\/odor-proof-floor-drain-valve-backflow-preventer-sewer-core\"}]}\u003c\/script\u003e","brand":"SPOT","offers":[{"title":"red","offer_id":67645036331258,"sku":"14:200003699#red","price":7.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0867\/1415\/5258\/files\/S32c79038caf94a8a9e9c474ca6301dadg.webp?v=1791227105","url":"https:\/\/spotmartusa.com\/products\/odor-proof-floor-drain-valve-backflow-preventer-sewer-core","provider":"SPOT","version":"1.0","type":"link"}