Spud Coupling, Wall and Spud Flanges for 1 1/4 Exposed Top Spud Urinals. High Copper, Low Zinc Brass Castings for Dezincification Resistance. Non-Hold-Open Handle, Fixed Metering Bypass and No External Volume Adjustment to Ensure Water Conservation. Flush Accuracy Controlled by CID Technology. Diaphragm, Handle Packing, Stop Seat and Vacuum Breaker to be molded from PERMEX Rubber Compound for Chloramine Resistance.