Optima Sloan Flushometers Quiet, Exposed, Diaphragm Type, Closet Flushometer with the following features: High Chloramine Resistant PERMEX Synthetic Rubber Diaphragm with Linear Filtered Bypass and Vortex Cleansing Action OPTIMA ® Self-Adaptive Infrared Sensor with Indicator Light Courtesy Flush Override Button (Closet Models) Non-Hold-Open Integral Solenoid Operator Chrome Plated Wall Cover Plate(s) (for 2-gang Electrical Box) with Vandal Resistant Screws Screwdriver Bak-Chek Angle Stop Vandal Resistant Stop Cap Adjustable Tailpiece Vacuum Breaker with Flush Connection Spud Coupling and Spud Flange Sweat Solder Adapter with Cover Tube and Cast Wall Flange High Copper, Low Zinc Brass Castings for Dezincification Resistance No External Volume Adjustment to Ensure Water Conservation Low Consumption flush accuracy Stop Seat and Vacuum Breaker Molded from PERMEX Rubber Compound for Chloramine Resistance