Featuring the elegant architectural look of the Memoirs collection with Classic design, this tank combines water-saving flush performance with traditional style. A high-efficiency 1.28 gal flush offers up to 16,500 gallons of water savings per year, compared to a 3.5 gal toilet, without sacrificing flush power. Pair this tank with the K-4380 bowl for a matched ensemble. Kohler® Toilet Tank, Memoirs®, 1.28 gpf, Right Hand Lever Flush, 3-1/4 in Flush Valve, 12 in Rough-In, 14-3/4 in Height, 17-13/16 in Width, 8-3/4 in D, Vitreous China, White