Adler single handle shower faucet with both lever handle and knob handle options. PosiTemp pressure balance, antiscald protection turns On in cold position for safety. Maintains selected water temperature within plus or minus 2 F (degree Fahrenheit) to prevent shower shock. Washerless cartridge design. Flow rate of 2.0 GPM (gallons per minute) at 80 psi (pounds per square inch). Solid brass construction and brass waterways. Includes showerhead, shower arm, and flange, lever style and know style handle. For replacement cartridge see Model No 1222 (SKU 456500). CSA (Canadian Standards Associations), NSF (National Sanitation Foundation) and ADA (Americans with Disabilities Act) certified. Lifetime limited warranty. Chrome finish.