Sloan Valve G2-8186 .35261 Urinal Battery Powered Sensor, Chrome 11-1/2-Inch height (to center of inlet) Features: Exposed valve PERMEX Synthetic Rubber Diaphragm with Dual Filtered Fixed Bypass Flex Tube Diaphragm designed for improved life and reduced maintenance ADA Compliant OPTIMA Plus Battery Powered Infrared Sensor for automatic "No Hands" operation