[Shower drain pipe size] 10*10cm. 42.5L/min high flow capacity, flanged base to drain. 【Material】This square drain is made of 304 stainless steel and the base flange is PVC structure. 【Installation】The drain shower tile is easy to unload and can be used in the kitchen, bathroom, garage, basement and restroom; it also prevents bad smells, insects and mice from entering the house.