Function of the Berkey Fluoride Filters

When adding the PF-2 fluoride reduction elements by threading them onto the stems of the Black Berkey purification elements, they are effective at removing the contaminants below. Fluoride Pre-oxidized Arsenic III and Arsenic V MTBE Other heavy metal ions The PF-2 fluoride reduction elements reduce naturally occurring fluoride as well as fluoride that has purposely been added into municipal water sources by treatment plants. The fluoride reduction elements are a post filter to the Black Berkey filters and are compatible with all Berkey water filter systems excluding the GO Berkey.