Drainer One Way Valve Insect Prevention Anti Odor Drain Cover Floor Drain Sewer Strainer Plug

Label:Yes Material: copper Features:Anti odor/ Anti defection/ Fast drainage/Insect Prevention Easy to install, plug and play. Size:as the picture Automatic opening when draining, closing after draining. Applicable: Widely used for Pipes Tubes in Toilet, Bathroom, Kitchen , Floor and more. Working Principle: (1)When the water into the ground drain, the gravity of the water will open the bottom of the ABS gasket, dripping unimpeded. (2) After disruption of water, gasket is automatically closed due to gravity.Completely sealed so that the gas in the pipeline, pests and over flow can not be up.

Package Included: 1Pcs/set * floor drain core