TOTO MS854114E-SW502-01 One Piece Toilet and Washlet Combination, Cotton E-Max Flushing System(1.28 Gpf/4.8 Lpf) Fast Flush: Wide 3 flush valve is 125-Percent larger than conventional 2 flush valves Wider, 2 1/8 computer designed, fully glazed trapway Gentele aerated warm water rinse - adjustable water temperature and volume Oscillating comfort wash - self cleaning dual action spray