Delta 174938 Lahara Monitor 17 Series Tub and Shower Trim, Chrome WaterSense certification promotes water conservation Monitor 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 Complete unit includes trim and rough-in 2.00 gpm @ 80 psi, 7.6 L/min @ 550 kPa maximum water usage Meets standards set by Americans with Disabilities Act (ADA) Plastic