Toto CST744SDNo.01 Drake Toilet, 1.6-GPF with Insulated Tank, Cotton Contemporary, high profile design, G-Max Flushing System-Quiet, powerful, commercial grade flushing performance Upgrade with a SoftClose seat, or a Washlet 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