Kohler K-99764-4-CP Rite-Temp Shower Trim, Polished Chrome Rite-temp pressure-balancing technology maintains water temperature within +/-3 degrees Fahrenheit 2.0 gpm (gallons per minute) showerhead with katalyst spray technology Premium material construction for Durability and reliability Includes lever handle, single-function showerhead, shower arm and flange, and valve trim Trim only; requires k-304-k or k-304-ks rite-temp pressure-balancing valve (sold separately)