Capture the classic look of the 1930s with the Kathryn collection's angular lines and molded edges. This one-piece toilet features a convenient chair-like height and compact elongated bowl for comfortable use, as well as a concealed trapway for sleek looks and simple cleaning. A 1.28-gallon flush provides significant water savings of up to 16,500 gallons per year, compared to a 3.5-gallon toilet, without sacrificing performance. This tank features innovative AquaPiston technology, a patented flush engine that delivers a fast, powerful, and virtually plug-free flush. Kohler® Toilet, 1-Piece, Kathryn®, 1.28 gpf Flush, Elongated Bowl, 16-3/8 in Rim Height, 12 in Rough-In, 2-1/8 in Trapway, Floor Mount, Single Flush, 16-3/8 in H Bowl, 17-1/2 in W x 28 in D x 28-5/8 in H, Vitreous China, Biscuit