KOHLER Wellworth White 1-GPF Single-Flush Toilet Tank

An American classic, this Wellworth ultra high-efficient toilet tank reduces water consumption without compromising on flushing power. A 1.0-gallon flush reduces water use by more than 35 percent over 1.6-gallon toilets, offering a water savings of more than 4,500 gallons of water per toilet, per year. Pair this tank with a coordinated Highline bowl for a complete toilet.