• Sold as a set of two PF-2 Filters
• Each filter purifies up to 1000 gallons of water
• Made from safe, non-leaching Polypropolene #5 that is BPA-free
• The Berkey  PF-2™ Fluoride and Arsenic Reduction Filters are covered under a six month warranty with the Manufacture

Prevention:

• Fluoride: Sodium Fluoride, Sodium Fluorosilicate, Fluorosilicic Acid (aka Hydrofluorosilic Acid)
• Arsenic: V and pre-oxidized Arsenic III
• Other residual heavy metal ions

Directions:

• 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