Berkey PF-4 Fluoride Reduction Water Filters (Not for Black Elements)

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  • $89.00
  • Regular price $129.00
  • Will be in stock after


This PF-4 filter matches up with the Berkey/Doulton Super Sterasyl™ ceramic water filters and will fit Ultra Sterasyl #8674 with the 1.5 inch thread stems. 

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

Typically reduces fluoride levels between 90% -99.75 %. (performance varies due to age of filters and ph of the water)

  • PF-4™ Fluoride and Arsenic Reduction Filters adsorb the following unwanted elements found in drinking water:

    • Fluoride

    • Arsenic

    • Lead

    • Heavy Metal Ions

    • MTBE (Methyl-tertiary-butyl-ether)

    • Trihalomethanes (THM)

    • DBCP (Dibromo-chloro-propane)

    • Herbicides and Pesticides

  • Made from safe, non-leaching Polypropolene #5 that is BPA-free

  • You receive 2 fluoride reduction water filters.  (1 pair)

  • Attach to the bottom of  the Super Sterasyl™ Ceramic Filters that sit in the lower canister of the Berkey or British Berkefeld system.
  • Set of 2 Berkey PF-4™ Elements need replacement after 1000 gallons of use