ST743E#03 The TOTO Eco Drake E-Max 1.28 GPF Toilet Tank is designed for use with the Eco Drake 1.28 GPF bowl. The Eco Drake tank includes a tank to bowl gasket, tank to bowl hardware, and toilet bolt caps. The Eco Drake tank features TOTO's E-Max flush technology, featuring a 3" wide flush valve. This reliable, highly efficient combination generates a powerful cleansing flush while only using 1.28 gallons of water. The Eco Drake tank comes equipped with a left-hand chrome trip lever. The Eco Drake tank meets the standards for EPA WaterSense, and California's CEC and CALGreen requirements. Additional items needed for installation and use must be purchased separately: toilet bowl, wax ring, toilet mounting bolts, water supply lines, and toilet seat. The Eco Drake ST743E tank can be used on the following Drake bowls: C743E, C744E, C744EG, C744EL, or C744EF.10