Product review (1 stars): Obnoxious, LOUD thumping noise every time!
This was supposed to be a economic alternative to the Samsung brand filter, and while it did 'work' and it never leaked, we suffered through 6 months of the most obnoxious, LOUD thumping noise every time we used the water dispenser.  At first I thought we just needed to work some air out of the line, but the noise never went away.  Every time we filled a glass it was accompanied by a loud, shaking, machine-gun-like noise.  I had almost resigned myself to the idea that we had a busted refrigerator; thinking that it couldn't possibly be the filter that was responsible for so much racket.  But today, I switched the 'Water Sentinel' out with an 'EcoAqua' filter and the noise is gone!  Completely gone!  And the water is coming out of the dispenser much faster.  I'm elated that now I can finally get a glass of water without waking up the whole house!