Lavatory systems chemical, stain, burn, and impact-resistant solid terreon(r) surface is easily repaired. Single-supply connections and flow restrictors assure efficient operation. Ada-compliant. 1/2″ npt inlet and 1 1/2″ drain connections flow rate: 0.5 gpm working pressure: 20 to 80 psi frequency(r) multi-height fixture is accessable by adults, children, and those with disabilities.