KOHLER K-3609-0 Toilet might be the most powerful and effective in flushing in our test. It offers only one flush option of 1.28 GPF. In turn, the Single-flush gravity construction and the AquaPiston ...

We flushed plastic balls, sponges, and water-filled condoms to find models that don't clog from makers such as Kohler and Glacier BayHighly rated toilets do well in our tests and are ...