[IMPROVED FLUSHING EFFICIENCY]: Enhance the performance of your flushing system using WINONLY's toilet flapper ... used 2-inch flush valve toilets, such as American Standard, Kohler, TOTO ...

The inside of your toilet tank is a maze of mechanisms. Follow this simple guide to figure out what kind of toilet flapper you have and how it works.

I had to use my own set to seal them. The third one was also missing the bumpers between the seat and the bowl. Kohler toilet w/ piston water flush 2 step doesn't flush even at the 1st step ...