Silicone Drain Trap – Anti-Odor & Anti-Backflow Pipe Seal

Keep Your Drains Fresh, Sealed & Flowing Freely

Say goodbye to unpleasant drain odors, backflow, and unwanted insects creeping up through your pipes. This Silicone Drain Trap & Pipe Seal is engineered for kitchens, bathrooms, and utility rooms — offering a smart, flexible, plug-and-play solution for any household drain.

Made in Mainland China.

Why You'll Love It

• Flexible Silicone Construction: Made from high-elasticity silicone — durable, deformation-resistant, and built to last through years of daily use.
• Multi-Layer Seal Technology: Features a 90° large-angle one-way valve that opens for drainage and automatically closes to block odors and backflow.
• Magnetic Insect Barrier: Built-in magnetic seal keeps mosquitoes and insects from entering your living space through sewer pipes.
• Built-In Silicone Ring: Inner sealing ring creates an airtight barrier to lock out drain odors effectively.
• Wide Compatibility: Fits a broad range of pipe sizes — 16mm air conditioning drainage pipes, 25mm washing machine drainage pipes, 32mm basin pipes, and more. Cuttable design adapts to even more sizes.
• Water Purifier Ready: Includes a pre-drilled small hole so you can easily route a water purifier return pipe directly through the seal — no extra tools needed.
• Versatile Installation: Suitable for ground pipeline installation, inclined side-wall installation, and horizontal 90° wall installation. Simple setup — no professional help required.

Product Specifications

• Material: Silicone (with plastic components)
• Type: Drain Trap / Sewer Pipe Seal
• Application: Kitchen sink, bathroom drain, washing machine outlet, AC drainage pipe
• Drain Method: Deodorization / One-Way Valve
• High-Concern Chemicals: None
• Country of Origin: Mainland China

Perfect For

• Kitchen sink drain connections
• Bathroom floor drains and basin outlets
• Washing machine drainage pipes
• Air conditioning condensate drain lines
• Any sewer pipe requiring odor and backflow protection

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For more information on safe home plumbing and drain maintenance, visit the U.S. EPA WaterSense resource on home water efficiency.

Frequently Asked Questions

Q: What pipe sizes does this silicone drain trap fit?

A: This drain trap is designed to fit a wide range of pipe diameters, including 16mm air conditioning drainage pipes, 25mm washing machine drainage pipes, and 32mm basin pipes. The silicone material is also cuttable, making it adaptable to additional sizes beyond those listed.

Q: How does the anti-odor feature work?

A: The drain trap uses a dual-action system: a one-way 90° valve that automatically closes when not draining to block sewer gases, combined with a built-in silicone sealing ring that creates an airtight barrier — keeping drain odors out of your home.

Q: Is installation difficult? Do I need a plumber?

A: Not at all! This is a true plug-and-play solution. Simply insert it into your existing drain pipe — no tools or professional installation required. It works with ground pipeline, inclined side-wall, and horizontal 90° wall configurations.

Q: Can I use this with my water purifier?

A: Yes! The drain trap comes with a pre-drilled small hole specifically designed for routing a water purifier return pipe directly through the seal, making it easy to integrate into your existing setup without any modifications.

Q: Does it really keep insects out?

A: Yes. The magnetic seal closure provides an additional barrier against mosquitoes and other insects that might otherwise enter through sewer or drain pipes, especially when the drain is not actively in use.