Aquamira Frontier Max: Replacement Filter Cartridge Maximum protection RED Line Virus Filter with up to 500ml/minute flow rate Miraguard Antimicrobial Technology suppresses the growth of bacteria, algae, fungus, mold and mildew within the filter media Filters 120 gallons BPA free, chemical free, and iodine free Filter made in the USA Replacement virus filter for Frontier Max in line water filtration system; filters up to 120 gallons of water Multi purpose in-line water filtration system comes standard with virus filter (120 gallon capacity) Removes greater than 99.9999% of Virus and Bacteria as well as improves taste and removes odors Activated coconut shell carbon filter with Miraguard Technology suppresses bacteria, algae, fungus, mold, and mildew within the filter Made in USA