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. Elongated floor mount flushometer valve toilet, top spud, less seat Vitreous china High Efficiency, Low Consumption operates in the range of 1.1gpf to 1.6gpf (4.2Lpf to 6.0Lpf) 10" or 12" roughing-in 15" rim height Powerful direct-fed siphon jet action Fully glazed 2" trapway Large 10" x 12" water surface area 1-1/2" inlet spud 2 bolt capsRecommended working pressure-- between 35 psi at valve when flushing and 80 psi static