The TOTO Drake II and Vespin II, 1.28 GPF Toilet Tank with Right-Hand Trip Lever is designed for use with the Drake II or Vespin II bowl. The Drake II and Vespin II tank includes a tank to bowl gasket, tank to bowl hardware, and toilet bolt caps. The Drake II and Vespin II features TOTO's Tornado Flush , a hole-free rim design with dual-nozzles that creates a centrifugal washing action that assists in rinsing the bowl more efficiently. This version of the tank comes equipped with a right-hand chrome trip lever. The Drake II and Vespin II 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 Drake II and Vespin II ST454E tank can be used on the following bowls: C453CUFG, C453CUF, C454CUFG, C454CUF, CT474CUF, and CT474CUFG.Features:Drake II or Vespin II toilet tank for use with Drake II or Vespin II toilet bowlE-Max 1.28 GPF flushing system, creates a powerful flushLeft-hand chrome trip leverWaterSense , CALGreen, and CEC compliantIncluded parts: tank to bowl gasket, tank to bowl hardware, and toilet bolt capsPurchased separately: bowl, wax ring, toilet mounting bolts, water supply lines, and toilet seatCompatible with the following bowls: C453CUFG, C453CUF, C454CUFG, C454CUF, CT474CUF, and CT474CUFGManufacturer One Year LimitedDimensions: 7.63 in. long x 17.25 in. wide x 13.88 in. highBowl, wax ring, toilet mounting bolts, water supply lines, and toilet seat NOT includedSpecifications:Material: Vitreous ChinaWater Consumption (GPF): 1.28Assembly Required.