I have this toilet by Porcher and unlike most other toilet the bottom of the
bowl is somewhat "rectangular" and is deep. My regular plunger does not
work on it because of the retangular configuration cannot get a good seal.
I went to HD and they only sell one, wouldn't work either. Then I bought
this blue colored plastic contraption where the bottom looks like a sexafone
that does not work at all.
I know some of you will say replace the toilet but my wife likes this toilet
and it cost me an arm and a leg. I have a Toto in the other bath and never
the need to use a plunger.