Use the RED Line Virus Filter with your Frontier™ Flow Water Bottle to protect your thirst whenever water safety and water quality are a serious concern. Ideal for international travel, emergency and high risk water sources.


» 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 II RED Line Filter
» Filter Adapter with 3/4” Thread
» Filter Straw


» Designed for use with any Frontier™ Flow Water Bottle (#67015 or #67026)

Frontier RED Series II Replacement Filter

SKU: 67028

    Contact Us

    90 Cohas Ave

    Manchester, NH 03109

    Tel: (607) 658-3432 

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