KOHLER K-3851-96 Cimarron Comfort Height Two-Piece Round-Front 1.28 GPF Toilet with Aqua Piston Flush Technology, 10-Inch Rough-In and Left-Hand Trip Lever, Biscuit Round-front bowl offers an ideal solution for smaller baths and powder rooms Comfort Height feature offers chair-height seating that makes sitting down and standing up easier for most adults Water Sense toilets meet strict EPA flushing guidelines, including using at least 20 percent less water than 1.6-gallon toilets Aqua Piston canister allows water to flow into the bowl from all sides (360 degrees), increasing the power and effectiveness of the flush Durable canister design has 90% less exposed seal material than a 3-inch flapper, for leak-free performance