American Standard 2257101.020 2257.101.020 Toilet Bowl, 15.00 x 14.00 x 26.00 inches Wall-hung elongated flushometer valve toilet Maximum Performance (MaP) score of 1,000 grams at 1.1 gpf - 1.6 gpf Powerful direct-fed siphon jet action Fully-glazed 2-1/8" trapway