KOHLER K-3989-96 Wellworth Highline Two-Piece Dual-Flush Elongated Toilet with Class Five Flush System and Left-Hand Trip Lever, Biscuit Two-piece toilet, seat and supply lines sold separately. Elongated bowl offers added room and comfort Comfort Height feature offers a chair-height seat that makes sitting down and standing up easier for most adults Left-hand nested trip lever offers a choice of 1.1 or 1.6-Gallons per flush 2-1/8-Inch glazed trap way