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" (30.5 cm) rough-in * 28-3/8" x 17-13/16" x 31-1/2" * 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