Newly designed Pressure Lite 1.6 gpf toilets raise the bar for exceptional bulk flushing performance. Offers complementary style for your bath or powder room. One Year Limited Warranty. Kohler® Toilet Tank, HighLine®, 1.6 gpf, Left Hand Lever Flush, 2 in Flush Valve, 12 in Rough-In, 14-1/8 in Height, 21-1/4 in Width, 8-5/8 in D, Vitreous China, Black