AquaMetix® combines the highest FDA-compliant raw materials, with cutting-edge manufacturing methods resulting in unparalleled performance in an exclusively U.S.A. Manufactured product.  This filter cartridge is specially designed to filter out common city water contaminants including fluoride and an exceptionally broad range of other contaminants, toxins, heavy metals and chemicals.  When filtering well water for under sink or counter top water dispensers, always install a CeraMetix in the 1st stage and an AquaMetix in the 2nd stage.