Berkey® PF-4™ Fluoride & Arsenic Reduction Elements 2020, USA Berkey Filters

The PF-4™ Fluoride and Arsenic Reduction Filters are made and assembled in the U.

Berkey PF-4™ Fluoride and Arsenic Reduction Elements are designed to be used in conjunction with the Berkey® Earth Filtration Elements and/or the Super Sterasyl Ceramic filters only. They are post-filters, meaning that they attach to the bottom of the Berkey® Earth Filtration Elements and/or the Super Sterasyl Ceramic filters and sit in the lower chamber of the Berkey® systems.

The Berkey PF-4™ Fluoride and Arsenic Reduction Elements adsorb the following unwanted elements found in drinking water:
• Fluoride: Sodium Fluoride, Sodium Fluorosilicate, Fluorosilicic Acid (aka Hydrofluorosilic Acid)
• Arsenic: V and pre-oxidized Arsenic III
• Other residual heavy metal ions

The Berkey PF-4™ Fluoride & Arsenic Reduction Elements are made from safe, non-leaching Polypropolene #5 that is BPA-free and are sold in a set of two.

The number of Berkey PF-4™ Elements in the bottom chamber must match the number of Berkey® Earth Filtration Elements and/or the Super Sterasyl Ceramic filters in the top chamber; for example, (4) Berkey® Earth Filtration Elements, or Super Sterasyl Ceramic filters would require (4) PF-4™ Filters.

A set of (2) Berkey PF-4™ Elements needs replacement after 1,000 gallons of use.

The Berkey PF-4™ Fluoride & Arsenic Reduction Elements are covered under a six month warranty through the manufacturer.

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