Berkey PF-2 Fluoride filters (2pcs)

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