I've been following this for a while now. Just in case some of you don't know Berkey had some issues with their filters. If you've purchased any filters lately, you might want to check them. The guy who started this thread is a seller of Berkey products. While I've not done any business with him personally, I've followed his threads and he seems to be a stand-up guy ...
http://www.survivalistboards.com/showthread.php?t=259772
http://www.survivalistboards.com/showthread.php?t=259772