KOHLER K-3837-96 Devonshire Comfort Height Two-Piece Elongated 1.28 gpf Toilet, Biscuit Comfort Height Elongated Toilet bowl - 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 30-1/2" x 17-1/4" x 31" Class Five(R) - provides tremendous bulk waste flushing performance and best-in-class bowl cleanliness 3-bolt Installation - Three pre-installed tank bolts save installation time