American Standard 3043.001.020 Madera Elongated Bowl Top Spud, 16#1/2-Inch, White Elongated floor mount flushometer valve toilet, top or back spud, less seat High Efficiency, Low Consumption operates in the range of 1.1gpf to 1.6gpf (4.2Lpf to 6.0Lpf) Fully glazed 2-1/8" trapway Condensation channel Powerful direct-fed siphon jet action