TOTO MS854114EG#01 Eco Ultramax Elongated One Piece Toilet with Sanagloss, Cotton White E-Max (1.28 Gpf/4.8 Lpf) Fast Flush: Wide 3-Inch flush valve is 125 percent larger than conventional 2-Inch flush valves. Wider, 2-1/8-Inch computer designed, fully glazed trapway Large water surface Length 28-Inch, Bowl Rim Height 14-1/2-Inch, Seat Height 15-Inch, Tank Height 27-1/2-Inch, Tank Width 16-1/2-Inch