PF-4 Fluoride and Arsenic Reduction Filters are designed to be used in conjunction with the Berkey Earth Elements or the Super Sterasyl Ceramic Filter Elements; Attach to the bottom of the Berkey Earth Elements or the Super Sterasyl Ceramic Filter Elements and sit in the lower chamber of the Berkey unit

The Berkey PF-4™ Element, or fluoride and arsenic reduction elements, work in conjunction with the Berkey Earth ® DE Filter Elements to absorb unwanted elements found in drinking water. The Berkey PF-4™ Elements filters out fluoride, arsenic, and other heavy metal ions.

Berkey PF-4™ reduction elements are designed for use in conjunction with Berkey water filter elements for the “adsorption” of the following four unwanted elements most commonly found in drinking water.

The Black Berkey® Elements remove MTBE and reduce heavy metals whereas the ceramic filters do not therefore; we incorporated MTBE and heavy metals reduction capabilities into the PF-4™ elements. Read More →

PF4 Fluoride reducing Post filters will fit all Doulton and British Berkefeld Super Sterasyl Gravity Filter Elements, as well as Katadyne Ceradyn and Gravidyn Elements.

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. NOT FOR BLACK BERKEY ELEMENTS. The PF-4™ Fluoride and Arsenic Reduction Filters are made and assembled in the USA.

Dec 27, 2018 · The Berkey PF-4™ Fluoride and Arsenic Elements should be replaced every 1,000 gallons or at six-month intervals (whichever comes first) under normal conditions. If your water is heavily contaminated with MTBE, fluoride, lead or arsenic, the filters should be replaced in four-month intervals.

PF-4 Fluoride reduction elements for British Berkefeld ceramic Filters for clean & safe filtered drinking water on the go. Easy to install, No Plumbing Required.

PF-4 Fluoride reduction elements for British Berkefeld ceramic Filters-Price is for 2 filters These filters WILL NOT fit Black Berkey Filters.

Made from safe, non-leaching Polypropylene #5 that is BPA-free. PF-4 Fluoride and Arsenic Reduction Filters are designed to be used in conjunction with the Berkey Earth Elements or the Super Sterasyl Ceramic Filter Elements.