Sloan Royal 150-1.6 ESM 3911564 Concealed Flush Valve for

The Royal Flushometer, which was the very first flush valve to hit the market more than 100 years ago, continues to reliably serve commercial customers today. These manual diaphragm model Flushometers provide water savings while maintaining performance advantages. Features such as an accurate flush delivery system; quiet performance and durable components affirm the Royal as the true leader in Flushometer design.