Hydraulically Operated Prison Flushometers Quiet, Concealed, Diaphragm Type, Rough Brass Closet Flushometer for either left or right hand supply with the following features:Dual Filtered By-Pass Diaphragm, Handle Packing, Stop Seat and Vacuum Breaker to be molded from PERMEX rubber compound for Chloramine Resistance ADA Compliant Non-Hold-Open feature type Actuator 1" I.P.S. Wheel Handle Bak-Chek Angle Stop Adjustable Tailpiece High Back Pressure Vacuum Breaker Elbow Flush Connection Sweat Solder Adapter Exposed parts Chrome Plated