With its clean, simple design and efficient performance, this Highline water-conserving toilet combines both style and function. An innovative 1.28 gal flush provides significant water savings of up to 16,500 gal per year, compared to a 3.5 gal toilet, without sacrificing flushing power. The elongated seat and chair-like height ensure comfortable use. Kohler® Toilet, 2-Piece, Highline® Classic 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, Class Five® Flushing System, 3-1/4 in Flush Valve, 10-1/8 in W Bowl, 19-5/8 in W x 30-3/8 in D x 29-1/2 in H Overall, Vitreous China, White