Silicone Drain Sewer Sealing Plug | Anti-Odor Floor Drain

Silicone Sewer Sealing Drain Plug – 7-Layer Anti-Odor Protection for Kitchen & Bathroom

Say goodbye to unpleasant odors creeping up from your drains! This upgraded silicone drain pipe sealing plug delivers seven layers of anti-odor and anti-overflow protection, creating a tight, gap-free seal between your drain pipe and sewer connection. Whether it's your kitchen sink, washing machine drain, vegetable sink, or wash basin, this versatile plug installs in seconds and works automatically.

Key Features

• 7-Layer Anti-Odor Design: Advanced multi-layer sealing keeps sewer gases, bacteria, and insects from entering your home through the drain pipe.
• Environmentally Friendly Silicone Sealing Ring: Soft, elastic, durable, aging-resistant, waterproof, leak-proof, and odor-blocking — built to last.
• Variable Diameter Compatibility: Connects to drain pipe outer diameters of 18–35 mm; fits sewer pipe inner diameters of 35–40 mm and 45–50 mm, making it suitable for most standard plumbing installations.
• Automatic Rebound 90° Open/Close Mechanism: The silicone plug opens automatically when water drains and springs back shut when not in use — completely hands-free.
• Plug-and-Play Installation: No tools required. Simply insert into your existing drain pipe connection for an instant, secure fit.
• Pest & Odor Barrier: Seals the connection point between bathroom/kitchen pipes and the sewer to prevent cockroaches, bugs, and odors from spreading.
• Gravity Flush Compatible: Designed for gravity-flushing floor drain systems commonly found in homes and apartments.
• 3-Inch Size: Standard sizing that fits a wide variety of household plumbing configurations.

Specifications

• Material: Plastic body with silicone sealing ring
• Size: 3 inch
• Compatible Pipe Outer Diameter: 18–35 mm
• Compatible Sewer Inner Diameter: 35–40 mm / 45–50 mm
• Application: Kitchen sink, bathroom basin, washing machine drain, vegetable sink, wash basin
• Package Includes: 1× Floor Drain Sealing Device
• Country of Origin: Made in Mainland China

Note: Package includes the floor drain sealing device only. Accessories shown in demo images are not included. Please allow 1–3 mm variance due to manual measurement. Colors may vary slightly due to monitor differences.

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Helpful Resource

For guidance on safe plumbing practices and household water fixture maintenance, visit the CDC Healthy Water – Hygiene Resource Center.

Learn more: Sink strainer

Frequently Asked Questions

Q: What drain pipe sizes is this silicone sewer sealing plug compatible with?

A: This drain sealing plug fits drain pipes with outer diameters of 18–35 mm. It is also compatible with sewer pipe inner diameters of 35–40 mm and 45–50 mm, covering most standard household plumbing configurations in kitchens and bathrooms.

Q: How does the automatic rebound mechanism on the drain plug work?

A: The silicone sealing plug features a 90° automatic open/close design. When water flows through the drain, the plug opens to allow water to pass. Once the water flow stops, it automatically springs back to the closed position, maintaining a continuous seal against odors and pests — no manual operation needed.

Q: Is this drain sealing plug easy to install without a plumber?

A: Yes! This is a plug-and-play product. Simply insert it into the connection point between your drain pipe and the sewer opening. No tools or professional plumbing knowledge are required. It is compatible with most standard plumbing installations, including washing machines, kitchen sinks, and bathroom basins.

Q: Does this product prevent insects and pests from entering through drains?

A: Absolutely. The tight silicone sealing ring and automatic-closing mechanism create a strong barrier that blocks cockroaches, bugs, and other pests from entering your home through the drain pipe, while also preventing sewer odors and gases from spreading.