Exposed, Water Closet Flushometer, for floor mounted or wall hung top spud bowls. Model 115 Water Saver (3.5 gpf/13.2 Lpf) Fixed Volume Piston with Filtered O-ring Bypass ADA Compliant Metal Oscillating Non-Hold-Open Handle 1" I.P.S. Screwdriver Bak-Chek (R) Angle Stop Locking Vandal Resistant Stop Cap Adjustable Tailpiece Vacuum Breaker Flush Connection Spud Coupling, Wall and Spud Flanges for 1 1/2" Top Spud High Copper, Low Zinc Brass Castings for Dezincification Resistance Non-Hold-Open Handle and No External Volume Adjustment to Ensure Water Conservation Handle Packing, Stop Seat and Vacuum Breaker Molded from PERMEX (tm) Rubber Compound for Chloramine Resistance
Sloan Gem-2 115 Chrome Sloan Gem-2 115 Exposed Water Closet is just awesome. For 130.04, it's unbeatable toilet flush valves.