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

Label:Yes Applicable: Widely used for Pipes Tubes in Toilet, Bathroom, Kitchen , Floor and more. Easy to install, plug and play. Automatic opening when draining, closing after draining. Size:as the picture Features:Anti odor/ Anti defection/ Fast drainage/Insect Prevention Material: copper 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