KOHLER 3531-T Wellworth Classic Two-piece elongated 1.0 gpf toilet with tank cover locks, less seatWellworth 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. Elongated bowl offers added room and comfort Equipped with Sloan FLUSHMATE ? Sloan Valve Company Polished Chrome trip lever Tank cover locks included 1. 0