Berkey PF-2 Fluoride and Arsenic...
Berkey PF-2 Fluoride and Arsenic Reduction Filters adsorb the following unwanted elements found in drinking water:
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Fluoride: Sodium Fluoride, Sodium Fluorosilicate, Fluorosilicic Acid (aka Hydrofluorosilic Acid)
Arsenic: V and pre-oxidized Arsenic III
Other residual heavy metal ions
-Made from safe, non-leaching Polypropolene #5 that is BPA-free
-Sold in a set of 2
-PF-2 Fluoride and Arsenic reduction Filters are designed to be used in conjunction with the Black Berkey Purification Elements only
-Attach to the bottom of the Black Berkey Elements and sit in the lower chamber of the Berkey unit
-Number of PF-2s in the bottom chamber must match the number of Black Berkey Purification Elements in the top chamber; for example, 4 Black Berkey Purification elements would require 4 PF-2 Filters
-Set of 2 PF-2 Filters need replacement after 1000 gallons or every two years, whichever comes first