Drainage structure: turbine water flow, water inlet quickly. The mesh prevents foreign objects in the hair from entering the drain. Double protection U-shaped sealing tube, anti-insect, anti-odor and no foreign matter. TPR soft rubber plug to prevent odor overflow, leak-proof and leak-proof. Easy to use and install: Just open the floor drain cover and put it into the core of the floor drain. soil drainage. 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 depth of the siphon of soil before purchase. U-shaped water seal structure: easy to enter the water, difficult to exit the water, 360 degree drainage, water quickly, no d water on the floor. With 4 rods: the 4 plugs, with the strainer above, provide double protection to prevent hair from reaching the siphon