American Standard 1340227.002 Metering Centerset Faucet 0.5 GPM, 4-Inch Ideal for public restrooms where uncontrolled water usage is costly Vandal resistant cast brass construction and aerator Automatic shut-off stops water and energy waste 10 second flow cycle. Factory set for a maximum of 0.09 gallon flow per activation Water Conserving 0.5 gpm Pressure-Compensating Non-Aerated Spray