With its clean, simple design and efficient performance, this Highline® water-conserving toilet combines both style and function. An innovative 1.28 gpf setting provides significant water savings of up to 16500 gal per year, compared to an old 3.5 gal toilet, without sacrificing flushing power. This model features a unique tank liner that minimizes exterior condensation in humid environments. Kohler® Toilet, 2-Piece, Highline® Collection, 1.28 gpf Flush, Round Bowl, 16-1/2 in Rim Height, 12 in Rough-In, 2-1/8 in Trapway, Floor Mounting, Class Five® Flushing System, 27-3/4 in L x 18 in W x 31-1/4 in H Overall, Vitreous China, White