WaterSense certification promotes water conservation Pressure balance valve keeps water temperature within a safe ±3° F (±1.6° 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 with the touch of a finger Limited Lifetime Warranty Trim kit only, must purchase rough-in R10000-UNBX