KOHLER Wellworth Biscuit 1.28-GPF Single-Flush High Efficiency Toilet Tank

An American classic, this Wellworth high-efficiency toilet tank reduces water consumption without compromising on flushing power. At 1.28 gallons per flush, this economical tank conserves up to 16,500 gallons of water per year compared to a 3.5-gallon toilet, while innovative technology ensures high-powered bowl cleansing. Its streamlined style matches with a coordinated bowl for a complete toilet.