KOHLER K-5172-0 San Souci Comfort Height Compact Elongated 1.28 GPF Toilet with Aqua Piston Flushing Technology and Left-Hand Trip Lever Compact elongated bowl offers added comfort while occupying the same space as a round-front bowl Comfort Height(R) feature offers chair-height seating that makes sitting down and standing up easier for most adults Includes K-4008 Grip-Tight Reveal Q3 seat AquaPiston 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. Compact elongated bowl offers added comfort while occupying the same space as a round-front bowl Comfort Height(R) feature offers chair-height seating that makes sitting down and standing up easier for most adults Includes K-4008 Grip-Tight Reveal Q3 seat Aqua Piston canister allows water to flow into the bowl from all sides (360 degrees), increasing the power and effectiveness of the flush