KOHLER K-3812-0 Memoirs Comfort Height One-Piece Elongated 1.28 gpf Toilet with Classic Design, White With a seat height comparable to that of a standard chair, comfort height toilets make sitting down and standing up easier for people of all ages 12" rough-in 27-3/4" x 17-1/2" x 28-3/8" Class Five - 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