Automatic urinal flush valve ZER6003AV-WS1-TM consists of Clog-resistant linear bypass diaphragm and Ceramic gear-driven operation withstands over 500,000 cycles. This EZ Gear Exposed Sensor Diaphragm Urinal Flush Valves deliver reliability, precision and efficiency. It has a 1.0 gpf flush volume. This is an ADA Compliant touchless flush valve which has IP65 rated construction and protective engineering that keeps water away from critical electronic components and has Industry-leading, chemical-resistant diaphragm, gaskets and seals last 8-10 times longer than traditional rubber.