KOHLER K-3989-7 Highline Comfort Height Toilet, Black Black;

This Highline dual-flush toilet combines water savings with powerful flush performance. An innovative two-tone flush lever offers the choice of 1.1 or 1.6-Gallons per flush; the dual-flush lever is located on the side of the tank like a traditional toilet, leaving the top free for storage. The high-efficiency 1.1-Gallon flush reduces water use by more than 30-Percent over the 1.6-Gallon mode, which adds up to potential water savings of more than 4,000-Gallons per toilet, per year.