Aquamira Series IV Replacement Filters allow you to customize any Series IV system, such as the Frontier MAX or SHIFT Bottles. The ultralight cartridge dramatically extends your filtration capabilities with less than one ounce of added pack weight. The Series IV is also perfect for emergency preparedness. With four filtration levels, there’s a filter for every adventure.

Everyday Filter – 50 gallons of daily chemical removal; Reduces PFOA/PFOS, VOCS, Herbicides, Pesticides, Lead, Heavy Metals, Arsenic, Pharmaceuticals, Chlorine, Chemicals and Cyanotoxins.

Backcountry Filter – 100 gallons of bacteria removal; Removes ≥ 99.9999% of bacteria; Removes ≥ 99.95% of cyst. Meets US EPA biological purifier test. Standard for reduction of bacteria and cysts (in EPA typ-1 test water). Chlorine, chemical, taste and odor removal. Meets or exceeds ANSI/NSF 42.

Backcountry Plus Filter – 1,000 gallons of bacteria removal; Removes ≥ 99.9999% of bacteria; Removes ≥ 99.95% of cyst. Meets US EPA biological purifier test. Standard for reduction of bacteria and cysts (in EPA typ-1 test water). Chlorine, chemical, taste and odor removal. Meets or exceeds ANSI/NSF 42.

Worldwide Filter – 120 gallons of virus removal; Removes ≥ 99.99% of viruses; Removes ≥ 99.9999% of bacteria; Removes ≥ 99.95% of cyst. Meets US EPA biological purifier test(in EPA typ-1 test water). Chlorine, chemical, taste and odor removal. Meets or exceeds ANSI/NSF 42.