KOHLER K-3722-0 San Raphael One-Piece Elongated 1.28 GPF Toilet with Left-Hand Trip Lever, White One-piece toilets integrate the tank and bowl into a seamless, easy-to-clean design. Elongated bowl offers added room and comfort. Skirted trapway simplifies cleaning. Quiet-Close seat with Quick-Release functionality allows seat to close quietly and quickly unlatch from the toilet for easy removal and cleaning. Overhanging lid design creates a clean and sleek look.