[Dimensions] 4-1/4" square, 2.36" center outlet. 20-25L/min large flow, effectively solve the problem of water accumulation in toilets and swimming pools. The thickened steel cover provides good sealing and is sturdy and durable. Pedestal method Flanged drain, suitable for standard US plumbing fittings. [Material] This round drain shower head is made of standard 304 stainless steel and the base flange is PVC . The drain surface is processed by electroplating and wire drawing, which is anti-corrosion, anti-scratch, anti-rust and durable. 【Installation】The square shower floor drain is easy to assemble and disassemble, suitable for the NO HUB drainage base system in the United States. Can be used in bathroom, kitchen, hotel, swimming pool, balcony, outdoor, garage, basement and restroom etc. Prevents large objects from falling, removable hair filter. Recessed designs provide an invisible, seamless look on your floor. Thickened steel cover has good sealing ability. 【Color】durable matte