Berkey PF-2™ Elements Reduction Media Information New User 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 I understand that the media used within the Berkey PF-2™ elements is activated alumina. Is that the same thing as aluminum? If Arsenic and Fluoride is removed using Black Berkey® Purification Elements then what is the need for Berkey PF-2™ Elements? Function of the PF-2 Fluoride Filters Comments 0 comments Please sign in to leave a comment.