Product review (3 stars): Good, but pricey.
Fits and works as advertised.  I considered a third party filter, since they're so much cheaper.  But after reading what those cheaper models actually filter out compared to this one, I guess getting the real thing is worth the price difference.  After running a few tall glasses of water through the new filter it started coming out clear.  For performance I'd give it five stars.  I'm only giving it three because of the huge price difference between this and the other third party ones available (even though this one is clearly better).