Kohler K-4356-0 Archer Comfort Height Elongated Bowl, White Comfort Height - 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 Class Five - provides tremendous bulk waste flushing performance and best-in-class bowl cleanliness Please see the K-3551 for full details. Combines with the K-4431 Archer 1.28 gpf toilet tank Elongated bowl