KOHLER 3810-96 Santa Rosa Comfort Height Elongated 1.28 GPF Toilet with AquaPiston Flush Technology and Left-Hand Trip Lever, Biscuit One-piece toilets integrate the tank and bowl into a seamless, easy-to-clean design. 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. Seat and lid included - Supply line not included 1.28 gallons per flush (gpf).