We've been producing some of the industries best commercial toilets for more than 137 years. Built to stand the test of time and handle years of high use, there is an American Standard commercial toilet that's right for any job. High efficiency ultra low consumption (1.1gpf/4.2Lpf), utilizes 31% less water. Meets EPA WaterSense® criteria. Elongated 16-1/2" high bowl rim for accessible applications. Close-coupled flushometer tank . Speed Connect® tank/bowl coupling system. Sanitary bar on bowl.  Sustainability CEC Listed.   Recommended working pressure range 25 psi - 80 psi.