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KOHLER Wellworth 1.28 GPF Toilet Tank$172.77
An American classic, this Wellworth high-efficiency toilet tank features innovative technology for powerful, low-consumption flushing. At an economical 1.28 gallons per flush, this tank offers up to 16,500 gallons of water savings per year compared to a 3.5-gallon toilet. The streamlined design of this tank matches a coordinated bowl for a customized ensemble.