Sentry Washfountain, individual Push Button Pneumatically Activates An Air Metering Valve, Field Adjustable Timing For Optimal Water Conservation, Accommodates Up To 4 Users, Standard Height, Wall Mount, Supplies From Above. Special Vented Trap Provided For Vent Pipe At The Fixture, Semi-Circular Bowl Design, 14 Gauge Stainless Steel Bowl Provides Durability, Strength, And Vandal Resistance, 54 inch Diameter, Low Flow, 0.5 GPM Per User, Thermostatic Mixing Valve With Adjustable Set Point.Valve Compensates For Pressure And Temperature Changes, Liquid Soap Dispenser, No Backsplash, Complies With ADA (Adult) Guidelines, Complies With TAS (Adult), Certified By IAPMO To UPC And cUPC Regulations, Manufacturer's Limited Warranty.