The Corbelle® toilet bowl delivers powerful, clean swirl-style flushing in a sleek skirted design. Kohler®'s most complete flush ever, Revolution 360 swirl flushing technology keeps your bowl cleaner longer than a conventional flush. Installation is easy with the ReadyLock™ system: the skirted trapway installs to the floor flange and attaches to the toilet, eliminating the need to drill holes while offering the same secure installation as non-skirted toilets. Kohler® Toilet Bowl, Corbelle®, Elongated, 9-3/4 x 7-1/4 in Water Surface, 12 in Rough-In, 2-1/8 in Trapway, Floor Mount, Vitreous China, Dune