Kohler K-3576-G9 Wellworth Classic Round-Front Toilet with Class Five Flushing Technology and Left-Hand Trip Lever, Sandbar 27-1/2" L x 19-5/8" W x 28-1/4" H Class five(R) flushing technology 12" rough-in Round toilet bowl Class Five canister flush valve provides smooth flushing actuation with consistent water usage, flush after flush