Yes, it’s not expensive. Its structure is composed of a hollow plastic shell connected to a circular plastic plate. Its characteristics are: the circular plastic plate is lifted with a pin and fixed at one end outside the outlet hole at the bottom of the hollow plastic shell. Between the top and the middle of the hollow plastic shell is a hollow cylinder with a large top and a small bottom. Between the middle and the bottom is a hollow semi-cylinder changed from the cylinder. The hole in the upper part of the odor blocking device is for entering. hole, the outer circle of the entry hole is larger than the toilet hole, and is flush with the edge of the toilet hole. The hole in the middle part is an anti-blocking exit hole, and the bottom exit hole is an anti-odor exit hole.
It can effectively prevent clogging, odor and rats. It consists of the entry hole to the anti-blocking outlet hole and then to the anti-odor outlet hole. The size of the entry hole depends on the size of the pool hole. The outer circle of the entry hole should be slightly larger than the toilet hole. The anti-blocking outlet hole uses a plastic needle tip. To hang or block things, the anti-odor exit hole uses the principle of lever balance, and the plastic disc automatically opens and closes the bottom exit hole. The anti-blocking outlet hole can effectively prevent the toilet from being blocked. The anti-odor outlet hole can effectively cover the odor coming from the sewer pipe, and can also prevent mice from entering the house from the sewer pipe.