Brass Floor Drain Cor Anti-odor Insect Prevention Seal Stopper Sewer Fast Drainage Non-blocking Floor Drain Cover Valve Bathroom Floor Drain Cover Bathroom Floor Drain Washbasin

Working Principle: When water enters the floor drain, the gravity of the water opens the ABS gasket at the bottom, allowing water to drip smoothly. After water is cut off, the gasket automatically closes due to gravity. Completely sealed so that gases, pests, and overflows in the pipeline cannot go up.