KOHLER TS5318-4-BN Refinia(R) Rite-Temp(R) Bath and Shower Valve Trim with Lever Handle, spout and 2.5 gpm showerhead Includes faceplate with ADA-compliant metal lever handle Pressure-balancing diaphragm technology maintains outlet temperature within +/-3 degrees Fahrenheit during water pressure fluctuations Provides temperature regulation and automatic anti-scald protection Single handle controls both on/off activation and temperature setting