Customize the Frontier Max with the replaceable Series IV GRN Line Bacteria Filter. The Series IV GRN Line filter offers light weight, high flow thirst protection from the most common causes of waterborne illnesses including bacteria, Cryptosporidium, and Giardia. An ideal choice for backcountry use, the GRN Line provides cost effective protection when virus is not a concern.
- Backcountry Filter with up to 800 ml/minute flow rate and Certified filtration for 100 gallons (over 375 L) (IAPMO Research and Testing, Inc. File No. W-9560)
- Filter made in the USA and Certified lead free to NSF/ANSI 373 (IAPMO Research and Testing, Inc. File No. W-9560)
- Lightweight and compact 0.7 oz. (21 g) packable protection. Use with a pressurized Aquamira hydration reservoir for pressure-assisted filtration on-demand
- Fits any Series IV system (such as the Frontier Max and Shift Cap)
- Backcountry Filter with up to 800 ml/minute flow rate and Certified filtration for 100 gallons (over 375 L) (IAPMO Research and Testing, Inc. File No. W-9560)
- Filter made in the USA and Certified lead free to NSF/ANSI 373 (IAPMO Research and Testing, Inc. File No. W-9560)
- Lightweight and compact 0.7 oz. (21 g) packable protection. Use with a pressurized Aquamira hydration reservoir for pressure-assisted filtration on-demand
- Fits any Series IV system (such as the Frontier Max and Shift Cap)
