TempAssure Thermostatic cartridge measures and monitors the temperature of the water and automatically adjusts to maintain a more precise water temperature Soft, rubber spray holes allow you to easily wipe away calcium and lime build-up from the spray face of your showerhead and hand shower with the touch of a finger Trim kit only, must order MultiChoice Universal rough-in separately to complete the unit Meets standards set by Americans with Disabilities Act (ADA) TempAssure 17T Series Tub & Shower Trim