{"product_id":"brass-floor-drain-core-odor-block-backflow-preventer","title":"Brass Floor Drain Core – Odor Block \u0026 Backflow Preventer","description":"\n\u003ch2\u003eKeep Your Home Fresh with a Brass Floor Drain Core\u003c\/h2\u003e\n\u003cp\u003eSay goodbye to unpleasant sewer odors creeping into your kitchen, bathroom, or laundry room. This \u003cstrong\u003eBrass Floor Drain Core with Odor Block \u0026amp; Backflow Prevention\u003c\/strong\u003e features a thickened silicone liner and a gravity-activated 90° valve that seals tight when dry and opens instantly when water flows — keeping your indoor environment clean, dry, and fresh-smelling all day long.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for effortless plug-and-play installation, this drain insert fits standard floor drain apertures of \u003cstrong\u003e36–39mm\u003c\/strong\u003e and requires no tools or special skills. Made in Mainland China from durable PC rubber, copper ring, and plastic filter components, it is built to last in high-moisture environments.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGravity-Activated Valve:\u003c\/strong\u003e 90° open\/close mechanism delivers fast, efficient drainage without manual intervention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickened Silicone Liner:\u003c\/strong\u003e Creates a watertight, airtight seal that blocks sewer gases and odors effectively.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in Backflow Prevention:\u003c\/strong\u003e Stops waste water and sewer gases from flowing back up through the drain.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemovable Filter Basket:\u003c\/strong\u003e Grille design catches hair, debris, and foreign objects — easy to clean and maintain.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge Outlet Design:\u003c\/strong\u003e Maximizes drainage speed to keep floors dry quickly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Seal Height:\u003c\/strong\u003e 120mm for reliable odor blocking.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Suitable for kitchen sinks, bathrooms, toilets, basements, garages, and laundry rooms.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Plug-and-play design fits drain apertures of 36–39mm — no plumber needed.\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 120mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFit Aperture:\u003c\/strong\u003e 36–39mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Plug and Play\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\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\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 bathroom and kitchen floors around your drain.\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 bathroom essentials organized and dry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on plumbing safety and maintaining healthy home drainage systems, visit the CDC Healthy Water – Home Hygiene guide.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Floor_drain\" target=\"_blank\" rel=\"noopener\"\u003eFloor drain\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What drain aperture size does this floor drain core fit?\u003c\/h4\u003e\n\u003cp\u003eA: This floor drain core is designed to fit standard drain apertures of \u003cstrong\u003e36–39mm\u003c\/strong\u003e. Before purchasing, measure your existing floor drain opening to confirm compatibility.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does this drain core block sewer odors?\u003c\/h4\u003e\n\u003cp\u003eA: The drain core uses a \u003cstrong\u003ethickened silicone liner\u003c\/strong\u003e combined with a gravity-activated 90° valve. When no water is flowing, the valve closes completely to create an airtight seal that prevents sewer gases from entering your home. When water drains, gravity opens the valve automatically to allow fast, efficient drainage.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this floor drain core difficult to install?\u003c\/h4\u003e\n\u003cp\u003eA: Not at all! It features a simple \u003cstrong\u003eplug-and-play design\u003c\/strong\u003e — just insert it into your existing drain opening. No special tools or plumbing experience required. The removable filter basket also makes cleaning and maintenance quick and easy.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this be used in multiple locations around the home?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This drain core is versatile enough for use in \u003cstrong\u003ekitchens, bathrooms, toilets, basements, garages, and laundry rooms\u003c\/strong\u003e — anywhere you have a standard floor drain that needs odor blocking and backflow prevention.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What drain aperture size does this floor drain core fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This floor drain core is designed to fit standard drain apertures of 36–39mm. Before purchasing, measure your existing floor drain opening to confirm compatibility.\"}}, {\"@type\": \"Question\", \"name\": \"How does this drain core block sewer odors?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The drain core uses a thickened silicone liner combined with a gravity-activated 90° valve. When no water is flowing, the valve closes completely to create an airtight seal that prevents sewer gases from entering your home. When water drains, gravity opens the valve automatically to allow fast, efficient drainage.\"}}, {\"@type\": \"Question\", \"name\": \"Is this floor drain core difficult to install?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Not at all! It features a simple plug-and-play design — just insert it into your existing drain opening. No special tools or plumbing experience required. The removable filter basket also makes cleaning and maintenance quick and easy.\"}}, {\"@type\": \"Question\", \"name\": \"Can this be used in multiple locations around the home?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! This drain core is versatile enough for use in kitchens, bathrooms, toilets, basements, garages, and laundry rooms — anywhere you have a standard floor drain that needs odor blocking and backflow prevention.\"}}]}\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 Core – Odor Block \u0026 Backflow Preventer\", \"item\": \"https:\/\/oasis-select.com\/products\/brass-floor-drain-core-odor-block-backflow-preventer\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"copper","offer_id":47746363719785,"sku":"14:10#copper","price":11.21,"currency_code":"USD","in_stock":true},{"title":"plastic","offer_id":47746363752553,"sku":"14:29#plastic","price":11.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S3a7f6827fc624a47b89b0db300d59b16p.webp?v=1783056258","url":"https:\/\/oasis-select.com\/products\/brass-floor-drain-core-odor-block-backflow-preventer","provider":"Oasis Select","version":"1.0","type":"link"}