Class Five® canister optimizes the flow out of the tank, harnessing gravity and the natural, powerful reducing cascade of water to increase the power and effectiveness of the flush

1.6 gpf (6.0 lpf)

KOHLERs canister flush valve harnesses the natural force of gravity and optimizes flushing performance

Coordinates with other products in the Wellworth collection

Combines with the K-4199 bowl to create a complete K-3979 Highline toilet, combines with the K-4198 bowl to create a complete K-3978 Wellworth toilet, and combines with the K-4197 bowl to create a complete K-3977 Wellworth toilet