Floor drain ingenious according to the balance of the weight principle, when there is water flowing into the floor drain to a certain amount, under the gravity of water, the bottom of the stainless steel seal is opened, the water flow is interrupted, the sealing gasket due to the other end of the heavy weight automatically closed to form a complete seal.

Can effectively prevent sewage and harmful gases in the sewer backfill, at the same time on the sewer in the worm, etc., has a very good barrier, to prevent the harmful substances in the sewer to the indoor diffusion of the role.

Bring you a fresh indoor environment.