Material Selection: The backflow preventer is made of high-quality silica gel and PP plastic, non-toxic and odorless, and contains no harmful substances. Smooth surface without burrs, which not only protects your hands when using it; the valve core, which is resistant to acids and alkalis, fits tightly around the corrosion-resistant seal, keeping odors, sewage, pests, and rodents out.

Easy to Install: The odorless sealing cover has a height of 6.5 cm and a width of 5.5 cm and can be installed in drain holes with a diameter of 3.7-5.2 cm. Ready to use without removing floor tiles or pipes, making it easy to install.

Double-Layer Design: The sealing cover for the washing machine drain pipe has a double-cavity design that can drain a wide area of 360°, with a drainage capacity of 36 liters/minute, fast drainage without blockage; the internal wedge-type coupling surface fixes the inner core, which helps the inner core not to fall out and not to move.

Function: Drain pipe joints are mainly used to be inserted into pipes, floor pipes, and drains under the sink to prevent odors, dirty water, pests from entering or backing up and overflowing, keeping the space clean, neat, and tidy.

Wide Range of Uses: The odorless sealing cover is widely used for drain holes in bathrooms, kitchens, toilets, washing machines, sinks, bathtubs, kitchen sinks, showers, and other places.