Regal Exposed Urinal Flushometers Quiet, Exposed, Diaphragm Type, Chrome Plated Urinal Flushometer with the following features:ADA Compliant Metal Oscillating Non-Hold-Open Handle1 I.P.S. Screwdriver Bak-Chek Angle StopVandal Resistant Stop CapAdjustable TailpieceVacuum Breaker High Copper, Low Zinc Brass Castings for Dezincification ResistanceNon-Hold-Open Handle and No External Volume Adjustment to Ensure Water ConservationLow Consumption flush accuracy controlled by Para-Flo TechnologyHandle Packing, Stop Seat and Vacuum Breaker molded from PERMEX Rubber Compound for Chloramine Resistance