Optima Concealed Urinal Flushometers Quiet, Concealed, Diaphragm Type, Rough Brass Closet Flushometer with the following features:PERMEX Synthetic Rubber Diaphragm with Dual Filtered Fixed Bypass OPTIMA ® EL-1500-L Self-Adaptive Infrared Sensor with Indicator Light User friendly three (3) second Flush Delay Courtesy Flush Override Button Chrome Plated Wall Cover Plates (for 2-gang Electrical Box) with Vandal Resistant Screws Free Spinning Vandal Resistant Stop Cap Adjustable Tailpiece High Back Pressure Vacuum Breaker Flush Connection with One-Piece Bottom Hex Coupling Nut, Spud Coupling and Flange Sweat Solder Adapter Chrome Plated Exposed Flushometer Parts High Copper, Low Zinc Brass Castings for Dezincification Resistance Non-Hold-Open Integral Solenoid Operator, Fixed Metering Bypass and No External Volume Adjustment to Ensure Water Conservation Flush Accuracy Controlled by CID Technology Diaphragm, Stop Seat and Vacuum Breaker to be molded from PERMEX Rubber Compound for Chloramine Resistance
