28-3/4"L x 17-5/8"W x 30-3/4"H * Class Five(R) flushing technology provides tremendous bulk waste flushing performance and best-in-class bowl cleanliness * Canister flush valve provides smooth flushing actuation with consistent water usage, flush after flush * Exclusive Dry Lock(TM) installation system facilitates installation, and keeps floors dry * With a seat height comparable to that of a standard chair, KOHLER Comfort Height(TM) toilets make sitting down and standing up easier for people of all ages