Kohler K-3589-0 Cimarron Comfort Height Elongated 1.6 gpf Toilet with AquaPiston Technology, Less Seat, White Two-piece toilet. Elongated bowl offers added room and comfort. Comfort Height(R) feature offers chair-height seating that makes sitting down and standing up easier for most adults. Seat and supply line not included. Combination consists of the K-4309 bowl and the K-4418 tank.