KOHLER K-3754-96 Kelston Comfort Height Two-Piece Elongated 1.6 GPF Toilet with AquaPiston Flush Technology and Left-Hand Trip Lever, Biscuit Elongated bowl offers added room and comfort Comfort Height feature offers chair-height seating that makes sitting down and standing up easier for most adults Standard left-hand trip lever included, seat and supply line not included AquaPiston canister allows water to flow into the bowl from all sides, 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