Brass Floor Drain Valve – Odor Proof Backflow Preventer Plug

Keep Your Home Fresh & Dry with This Smart Floor Drain Core

Upgrade any floor drain in your kitchen, bathroom, laundry room, basement, or garage with this high-quality brass floor drain valve. Designed with a gravity-operated 90-degree open/close mechanism, it delivers fast, efficient drainage while blocking sewer gases, insects, and backflow from ever entering your home. Made in Mainland China.

Key Features

• Gravity-Operated Drainage: The 90-degree opening and closing structure allows water to drain quickly and naturally — no manual adjustment needed.
• Thickened Silicone Liner: Creates a reliable, leak-proof seal that blocks unpleasant sewer odors and gases from rising through the drain.
• Backflow Prevention: Acts as a one-way valve, stopping wastewater from flowing back into your space during high-pressure sewer events.
• Removable Hair Filter Basket: The built-in grille filter basket catches hair, debris, and foreign objects, keeping your pipes clear. Easily detaches for quick cleaning.
• Large Outlet Design: The wide drainage outlet ensures maximum flow speed, helping keep your floors dry and your environment fresh.
• Durable Brass & PC Rubber Construction: Made from brass, PC rubber, copper ring, and a plastic filter for long-lasting performance in wet environments.
• Plug-and-Play Installation: Simply insert into any floor drain with an aperture of 36–39 mm — no tools or expertise required.
• Wide Compatibility: Suitable for kitchen sinks, shower drains, bathroom floors, toilets, basements, garages, and laundry rooms.

Specifications

• Material: Brass / 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
• Country of Origin: Made in Mainland China

Package Includes

• 1 × Floor Drain Core / Valve

Where to Use It

This versatile drain plug is perfect for virtually any residential or light commercial drain point, including:

• Kitchen floors & sinks
• Bathroom shower drains
• Toilet room floor drains
• Basement & garage drains
• Laundry room floor drains

For more helpful home improvement tips and plumbing guidance, visit the EPA WaterSense resource on water-efficient fixtures.

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Frequently Asked Questions

Q: What drain opening size does this floor drain valve fit?

A: This brass floor drain core is designed to fit drain apertures between 36 mm and 39 mm. Please measure your existing floor drain opening before purchasing to ensure compatibility.

Q: How does the odor-blocking feature work?

A: The drain valve uses a thickened silicone liner combined with a water-seal height of 120 mm to form a secure, airtight barrier. This prevents sewer gases and insects from traveling up through the drain pipe and into your living space.

Q: Is this drain plug difficult to install?

A: Not at all! This is a true plug-and-play design — simply insert the drain core into your existing floor drain hole. No special tools, plumbing knowledge, or adhesives are required. Removal for cleaning is equally simple.

Q: Can this valve prevent backflow from sewers?

A: Yes. The gravity-operated, one-way valve structure keeps the drain closed when no water is flowing, effectively acting as a backflow preventer to stop wastewater from re-entering your home through the floor drain.

Q: How do I clean the filter basket?

A: The grille filter basket is fully detachable. Simply lift it out, remove any trapped hair or debris, rinse under running water, and reinsert. Regular cleaning (weekly or as needed) keeps drainage flowing at full speed.