Berkey Fluoride Filter
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      What are the measurements of the Berkey Fluoride Filter?

      The length of each PF-2 Fluoride Filter is 6" with a diameter of 2.5". When the elements are attached to the stems of the Black Berkey Filters, in the system, the Fluoride element extends down into the lower chamber at approximately 7.5". The threaded hole side of the Berkey PF-2 Elements that attaches to the Black Berkey Purification Elements is 11mm.