Bring warmth and elegance to your bathroom with the Kelston collection. A high-efficiency 1.28 gal flush setting saves you up to 16,500 gallons of water per year, compared to a 3.5 gal toilet, while still delivering a powerful flush performance. Pair it with a coordinating Kelston bowl for a unified look. Kohler® Toilet Tank, Kelston®, 1.28 gpf, Left Hand Lever Flush, 2-1/8 in Flush Valve, 13-15/16 in Height, 16-13/16 in Width, 8-7/8 in D, Vitreous China, White