Drainage structure: water flow from the turbine water inlet quickly. The mesh prevents foreign bodies in the hair from entering the drain. U-shaped sealing tube double protection, insect-proof, odor-proof and free of foreign matter. Soft TPR rubber stopper to prevent odor, sealing and water overflow. Easy to use and install: just open the floor drain cover and put it in the ground drain core. Easy to install and remove. Wide use: opening diameter 37mm-75mm, which is applicable to all, it is recommended to measure the hole size and the depth of the hole. soil drainage before purchase. U-shaped sealing structure: easy to get into the water, not easy to get out of the water, 360 degree 4-outlet drainage, fast water , no water on the floor. With 4 rods: the 4 stoppers as well as the strainer above provide double protection to prevent hair from reaching the drain