Monitor pressure balance valve keeps water temperature within a safe +/-3Degree F (+/-1.6Degree C), helping to protect you from sudden changes in hot or cold water pressure Soft, rubber spray holes allow you to easily wipe away calcium and lime build-up from the spray face of your showerhead and Handshower with the touch of a finger Trim kit only, must order MultiChoice universal rough-in separately to complete the unit Single function operation Single lever handle for ease of temperature control Metal