Wellworth toilets have been an American benchmark for style, innovation, and performance since 1936. This Wellworth high-efficiency toilet delivers significant water savings with a 1.28 gal flush setting that saves up to 16,500 gal per year, compared to an old 3.5 gal toilet, without sacrificing flush power. Kohler® Toilet, 2-Piece, Wellworth® Collection, 1.28 gpf Flush, Elongated Bowl, 14-1/2 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, 18 in W x 29-1/4 in D x 30 in H Overall, Vitreous China, White