As stated well in other reviews, this thing really works! Whoosh, and its gone.
I don't get any spray, unlike what some people reported. And it is not loud at all; I suspect that improvements have been made.
The toilet itself says 1.4 gallons, but the internal mechanism says 1.6 gallons. When I checked the Kohler website before purchase, it said 1.6 gallons. Not really important, I guess, but the disagreement is puzzling.
Also, important to know is that the internal mechanism is by Sloan
... read more
Flushmate, is separately warranted for 10 years, and repair parts are available.