Product review (5 stars): Works like it is supposed to.  Nuff said!!
I read many of the reviews and decided to try it and return it if it did not work.

I have a GE Profile Arctica (specific model PSS25SGMA BS).  It works just as well as the GE MWF filter at 1/2 the cost.  By the way, I neither found nor needed an extra "O" ring that some of the other reviewers noted.  So, all I can say is, if you have a GE Profile, and want to save half the cost - buy these.