Berkey Optional Reduction Elements PF-2, Set of 2, Use with Black Berkey Elements Filters for Berkey Gravity-Fed Water Filtration Systems

The Berkey PF-2 Fluoride and Arsenic Reduction Elements absorb 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. Other Features: Made from safe, non-leaching Polypropolene #5. Sold in a set of 2. Berkey PF-2 Fluoride and Arsenic Reduction Elements are designed to be used in conjunction with the Black Berkey Elements only. Attach to the bottom of the Black Berkey Elements and sit in the lower chamber of the Berkey unit. Number of Berkey PF-2 Elements in the bottom chamber must match the number of Black Berkey Elements in the top chamber; for example, 4 Black Berkey Elements would require 4 PF-2 Filters. Set of 2 Berkey PF-2 Elements need replacement after 1000 gallons of use. The Berkey PF-2 Fluoride and Arsenic Reduction Elements are covered under a six-month warranty. Made and assembled in the USA. Note: Not available for sale to residents of California and Iowa.