Naval Exposed Urinal Flushometers Quiet, Exposed, Adjustable Piston Type, Chrome Plated Urinal Flushometer with the following features:ADA Compliant Metal Oscillating Non-Hold-Open Handle Self-cleaning Xpelor ® Bypass Vandal Resistant Stop Cap Adjustable Tailpiece Vacuum Breaker Flush Connection Stamped Wall Flange Ultra High Copper, Low Zinc Brass Castings for Dezincification and Salt Water Resistance Handle Packing, Stop Seat and Vacuum Breaker molded from PERMEX Rubber Compound for Chloramine Resistance