Adler single handle tub and 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 +/- 2 F (degree Fahrenheit) to prevent shower shock. Washerless cartridge design. Flow rate of 1.8 GPM (gallons per minute) at 80 psi (pounds per square inch). Solid brass construction and brass waterways. Includes showerhead, shower arm, flange, and tub spout with diverter. Lever style and knob style handle. For replacement cartridge see Model No 1222 (SKU 456500). CSA (Canadian Standards Associations), ADA (Americans with disabilities Act), and NSF (National Sanitation Foundation) certified. Lifetime limited warranty. Chrome finish.