The TOTO Entrada E-Max 1.28 GPF Toilet Tank with Right-Hand Trip Lever is designed for use with the Entrada C243EF or C244EF 1.28gpf bowl. The Entrada tank includes a tank to bowl gasket, tank to bowl hardware, and toilet bolt caps. The Entrada 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 Entrada tank comes equipped with a right-hand chrome trip lever. The Entrada 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: bowl, wax ring, toilet mounting bolts, water supply lines, and toilet seat.Features:Entrada toilet tank for use with Entrada C243EF or C244EF toilet bowlE-Max 1.28 GPF flushing system, creates a powerful flushRight-hand chrome trip leverWaterSense , CALGreen, and CEC compliantIncluded parts: tank to bowl gasket, tank to bowl hardware, and toilet bolt capsPurchased separately: Entrada bowl, wax ring, toilet mounting bolts, water supply lines, and toilet seatManufacturer One Year LimitedDimensions: 7.5 in. long x 15.25 in. wide x 13.88 in. high Entrada bowl, wax ring, toilet mounting bolts, water supply lines, and toilet seat NOT includedSpecifications: Material: Vitreous ChinaWater Consumption (GPF): 1.28 Assembly Required.