Hydraulic Exposed Urinal Flushometers Quiet, Exposed, Diaphragm Type, Chrome Plated Urinal Flushometer with the following features:Dual Filtered By-pass ADA Compliant Non-Hold-Open feature type Actuator (specify Actuator type) Free Spinning Vandal Resistant Stop Cap Adjustable Tailpiece High Back Pressure Vacuum Breaker Flush Connection with One-piece Bottom Hex Coupling Nut Sweat Solder Adapter with Cover Tube and Cast Set Screw Wall Flange Diaphragm, Stop Seat and Vacuum Breaker molded from PERMEX rubber compound for Chloramine resistance