The Kohler Highline Classic K-3493 is part of the toilet
test program at Consumer Reports. In our lab tests, toilet
models like the Highline Classic K-3493 are rated on multiple criteria, such as those listed below.
Solid waste removal:
The ability to move simulated waste through the bowl and trap.
Flush quietness without the seat.
How well flushing cleaned the bowl's front and sides.
Features & Specs - Kohler Highline Classic K-3493
Resists soil and odor Indicates a large water surface, which helps prevent soiling and odors.
Resists soil and odor
Resists drainline clogs Indicates this model sent simulated solid waste farther, potentially reducing drain-line clogs.