Prison Concealed Water Closet Flushometers for Combination Fixtures 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 Metal Non-Hold-Open Push Button with a Triple Seal Handle Packing 1" I.P.S. Wheel Handle Bak-Chek Angle Stop Adjustable Tailpiece High Back Pressure Vacuum Breaker Elbow Flush Connection and Coupling for 1-1/2" NPT Back Inlet (for connection in the pipe chase - flush connection through the wall not provided by Sloan) Sweat Solder Adapter Exposed parts Chrome Plated