KOHLER K-6925-0   Adair One-Piece Elongated 1.28 GPF Toilet with Aqua Piston Flush Technology and Left-Hand Trip Lever, White One-piece toilets integrate the tank and bowl into a seamless, easy-to-clean design Grip-Tight Cachet Q3 functionality allows seat to close quietly and quickly unlatch from the toilet for easy removal and convenient cleaning Water Sense toilets meet strict EPA flushing guidelines, including using at least 20 percent less water than 16-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