Aolemi Tub Faucet Waterfall Bathtub Faucets Wall Mount Tub Filler Bathroom Sink ?Metal Construction?: Water Use Information:1.19 Gpm 4.5L/Min.This wall mount bathroom faucet with solid brass valve body, this wall mount bathroom faucet has great performance to prevent being discolored and rusty . ?Function?: Single handle to control hot and cold water. Waterfall wide tub spout, perfectly matches almost all tubs. ?Installation?: Designed for wall mounted configuration and work well with any bathroom sink. Easy to install with rough-in valve, concealed wall mount type, NPT1/2 thread meets American Standard. ?Quality?: Each faucet is tested at high water pressure to ensure long durability. Smooth single handle operation, easy to control. ?Package?: Wall mount bathroom faucets include a Rough-in valve,installation hardware, and installation instruction.A Water Flow Saver Adapter is included with the package, if you think the water flow is too large, you can install it.