At Kohler, we push flushing power and toilet design to the leading edge. An industry standard since 1936, the KOHLER® Wellworth toilet offers an iconic, streamlined design. With a 1.28-gallon flush and space-saving round-front bowl, this Wellworth high-efficiency two-piece round-front toilet features outstanding performance while remaining economical in its water usage, saving over 16,500 gallons of water per year compared to a 3.5-gallon toilet. Kohler® Toilet, 2-Piece, Wellworth®, 1.28 gpf Flush, Round Bowl, 14-1/2 in Rim Height, 12 in Rough-In, 2-1/8 in Trapway, Floor Mount, Class Five® Flush, 18 in W x 29-1/4 in D x 27-3/4 in H, Vitreous China, Biscuit