The Berkey Earth® Elements are designed to work in conjunction with the Berkey PF-4™ post filter elements. These particular post filter elements are designed to reduce Fluoride, Arsenic and other “Difficult to Remove” heavy metal ions from water.
The Berkey Earth® Elements are designed to work in conjunction with the Berkey PF-4™ post filter elements. These particular post filter elements are designed to reduce Fluoride, Arsenic and other “Difficult to Remove” heavy metal ions from water.