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. This filter adapts for use with bottles, hydration bladders, gravity and DIY systems when used with the Frontier™ Max Filtration System.


» Maximum protection RED Line Virus Filter with up to 500
ml/minute flow rate
» Removes 99.99% Virus—Meets or exceeds ANSI/NSF 53
» Removes 99.9999% Bacteria—Meets or exceeds ANSI/NSF 53
» Removes 99.9% Cysts including Cryptosporidium and Giardia—Meets or exceeds ANSI/NSF 53
» Reduces chlorine and chemicals—Meets or exceeds ANSI/NSF 42
» Improves water taste, odor, and clarity
» 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


» Series IV RED Line Filter
» Protective Filter Casing


» Designed for use with the Frontier™ Max Filtration System (#67018)

Frontier RED Series IV Replacement Filter

SKU: 67019

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    90 Cohas Ave

    Manchester, NH 03109

    Tel: (607) 658-3432 

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