This Devonshire two-piece toilet combines high efficiency with the old-world style of the Devonshire collection. Its single 1.28-gallon flush setting provides significant water savings of up to 16,500 gallons per year (versus an old 3.5-gallon toilet) without sacrificing performance. An elongated bowl and comfortable height ensure ease of use. Kohler® Toilet, 2-Piece, Devonshire® Comfort Height® Collection, 1.28 gpf Flush, Elongated Bowl, 16-1/2 in Rim Height, 12 in Rough-In, 2-1/8 in Trapway, Floor Mounting, AquaPiston® Flushing System, 3-1/2 in Flush Valve, 9-3/8 in W Bowl, 17-1/4 in W x 30-3/4 in D x 29-1/4 in H Overall, Vitreous China, Dune