Wellworth toilets have been an American benchmark for innovation and performance for over 65 years. This Wellworth elongated toilet brings graceful design and superior functionality to the bathroom with the Pressure Assist technology, precision-engineered to deliver complete 1.0-gpf performance. Kohler® Toilet, 2-Piece, Wellworth® Classic Collection, 1 gpf Flush, Elongated Bowl, 15-1/2 in Rim Height, 12 in Rough-In, 2-1/4 in Trapway, Floor Mounting, Pressure Lite® Flushing System, 2-1/4 in Flush Valve, 9-7/8 in W Bowl, 21-1/4 in W x 29-1/4 in D x 30-1/8 in H Overall, Vitreous China, White