Odor-Proof Floor Drain Valve – Backflow Preventer & Sewer Core
Odor-Proof Floor Drain Valve – Backflow Preventer & Sewer Core
Keep your kitchen, bathroom, and laundry room smelling fresh with this Odor-Proof Floor Drain Core Valve. 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.
Why You'll Love It
- Gravity-Activated Drain Valve: Opens automatically when water flows, closes instantly when dry — no manual operation needed.
- Odor Barrier Technology: 120 mm water seal height combined with a thickened silicone liner blocks sewer gases from entering your living space.
- Backflow Prevention: Stops sewer water from pushing back up through your floor drain.
- Detachable Filter Basket: The grille filter basket catches hair and foreign objects; simply lift it out to clean in seconds.
- Fast Drainage: Large-outlet, gravity straight-row design ensures water drains quickly, keeping floors dry.
- Plug-and-Play Installation: Fits drain openings of 36–39 mm. No tools, adhesives, or plumbing experience required.
- Versatile Use: Ideal for bathrooms, showers, kitchens, toilets, basements, garages, and laundry rooms.
- Durable Materials: Made from PC rubber, copper ring, and a plastic filter — built to handle daily use.
Specifications
- Material: PC rubber / copper ring / plastic filter
- Drainage Type: Gravity straight-row
- Water Seal Height: 120 mm
- Fit Aperture: 36–39 mm
- Installation: Plug-and-play, no tools required
- Country of Origin: Made in China
What's in the Box
- 1 × Floor Drain Core Valve
Keep Your Home Organized & Fresh
Looking for more clever home solutions? Check out our Self-Draining Leaf Soap Dish – Waterfall Soap Holder, Easy Clean for a tidy sink area, or browse our Japanese Wire Wall-Mounted Storage Basket & Hanging Shelf to maximize your bathroom storage.
Learn more: EPA Safer Choice cleaning product guidance
Frequently Asked Questions
Q: What drain pipe size does this floor drain valve fit?
A: 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.
Q: How does the odor-proof floor drain valve block sewer smells?
A: 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.
Q: Can this drain valve be used in both the bathroom and kitchen?
A: 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.
Q: Is the filter basket easy to clean?
A: 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.
Production & Packaging Notice
To 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.