KOHLER Wellworth Black black 1.6 -GPF Single -Flush High Efficiency Toilet Tank

Wellworth Black black 1.6 -GPF Single -Flush High Efficiency Toilet Tank. Left-hand nested trip lever offers a choice of 1.1 or 1.6 gallons per flush (gpf). Combines with the 4197 or 4198 bowl to create a complete 3987 or 3988 Wellworth toilet. Combines with the K-4199 bowl to create a complete K-3989 Highline toilet. Coordinates with other products in the Wellworth collection. WaterSense toilets meet strict EPA flushing guidelines, including using at least 20 percent less water than 1.6-gallon toilets. Eligible for consumer rebates in some municipalities