Frontier Replacement Filter For Frontier MAX
Customize the Frontier Max with the replaceable Series IV RED Line Virus Filter. The RED Line offers maximum thirst protection against virus, bacteria, and cysts. Perfect for the backcountry, international travel and anytime contamination is a risk. The RED Line Series IV is the standard replacement filter for the Frontier™ Max Filtration System.
- 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 (454 litres)
- BPA free, chemical free, and iodine free
- Filter made in the USA
*Miraguard does not protect users against food borne or disease causing bacteria, viruses, germs or other disease causing organisms.