The Diama Thermostatic Valve Shower Trim with Two Volume Control and Blade Handle is made from premium materials, this Item offers great function and value for your home. This fixture is part of Phylrich's decorative collection, so make sure to check out other fixtures to accessorize your room. Brass construction Wall mount installation Flow Rate: 6.5 GPM Flow Restriction: 1.8 GPM per function Water Pressure Maximum: 85 PSI Water Pressure Minimum: 20 PSI Water Pressure Recommended: 60 PSI Access Hole: 3" x 13" Number of Handles: 3 Handle Spread 5" Top Handle Turn Angle: Quarter turn Bottom Handle Turn Angle: 115 - 118 degree Handle Style: Blade handle Valve Material: Ceramic Temperature controlled by thermostatic Codes/Standards ASME A112.181/CSA B1251 ASME 112.18.2/CSA B125.2 ANSI NSF CEC WaterSense 61 Sect. 9, State of MA cUPC Listed Low Lead Compliant: Complies with federal and state regulations for lead content ADA Compliant Key Features & Innovations WaterSense ADA Compliant Configured as:Finish: Gunmetal Gray