I've noticed replacement filters for the Berkeys are now being sold under other brand names, less $ of course.
I'm not sure how sophisticated the filter design is - seems like some kind of compressed material.
Can anyone comment as to whether the other brands may be less effective than the Berkey brand in filtering ?
Berkey Replacement Filters - knock offs
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Berkey Replacement Filters - knock offs
How many retired people does it take to screw in a lightbulb? Only one, but he takes all day.