Berkey PF-2™ Elements Reduction Media Information Jose May 07, 2018 22:09 Follow For information on the reduction media utilized by the PF-2 Fluoride Filters, click the link below. Fluoride Reduction Media Extract.pdf 80 KB Download Related articles Will high pH affect the efficiency of the PF-2™ Elements? I understand that the media used within the Berkey PF-2™ elements is activated alumina. Is that the same thing as aluminum? Composition (Materials Used to Make the Product) Comments 0 comments Please sign in to leave a comment.