Kohler K-3889-RA-95 Highline Comfort Height 1.28 gpf Toilet, 10-inch Rough-In, Right-Hand Trip Lever, Ice Grey 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 10" rough-in 29-1/2" (74.9cm) x 18" (45.7cm) x 31-1/4" (79.4cm) 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