Generic Product Details Quiet, Diaphragm Type, Urinal Flushometer with the following features:PERMEX Synthetic Rubber Diaphragm with Dual Filtered Fixed Bypass Metal Non-Hold-Open Foot Pedal with Triple Seal Handle Packing 1" Female I.P.S. Union Outlet High Back Pressure Vacuum Breaker Sweat Solder Adapter High Copper, Low Zinc Brass Castings for Dezincification Resistance Non-Hold-Open Foot Pedal, Fixed Metering Bypass and No External Volume Adjustment to Ensure Water Conservation Flush Accuracy Controlled by CID Technology Diaphragm, Handle Packing, Stop Seat and Vacuum Breaker molded from PERMEX Rubber Compound for Chloramine Resistance