At Kohler, we push flushing power and toilet design to the leading edge. The KOHLER® Cimarron toilet bowl delivers a powerful swirling flush. Kohler's most complete flush ever, Revolution 360® flushing technology keeps your elongated toilet bowl cleaner longer than a conventional flush. Kohler® Chair Height Toilet Bowl, Series: 31588, Cimarron® Collection, 1.28 gpf Gallons per Flush, Elongated Shape, 10-3/8 x 8-1/8 in Water Surface, 12 in Rough-In, 2-1/8 in Trapway, Floor Mounting, 16-1/2 in Height, 14-7/16 in Width, 28-1/2 in Depth, Vitreous China, Dune