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. A special tank liner helps eliminate condensation in humid environments.