This Kingston toilet bowl is precision-engineered to deliver superior performance at either 1.28 gpf or 1.6gpf: depending on Flushometer. When combined with a 1.28gpf Flushometer this toilet qualifies as a High Efficiency Toilet (HET) and can contribute to obtaining LEED credits. Kohler® Toilet Bowl, Kingston™, Elongated, 9 x 10-1/2 in Water Surface, 13-1/4 in Rim Height, 2-1/8 in Trapway, 1-1/2 in Inlet Spud, Wall Mount, 13-1/4 in Height, 16-1/2 in Width, 26-1/2 in D, Vitreous China, White