MSR Guardian Replacement Cartridge Freeze Dried Food Water Treatment (Chlorine Dioxide) kills

Water Treatment (Chlorine Dioxide) kills bacteria while enhancing the taste of treated water

Confident closure: DrySeal™ roll-top closure makes it easier and more to achieve an optimal seal and secures with side compression straps (note: 35L size secures with a single top buckle

Ideal for long-distance treks

Lifetime: 3

which make them compatible with most water filters

MSR Guardian Replacement Cartridge Freeze Dried Food Water Treatment (Chlorine Dioxide) kills*This product can only be shipped within Canada Replace the purifier cartridge on your MSR Guardian Filter, or just carry one as a back up. Removes viruses, bacteria, and protozoa. Comes with clean side cover. Hollow fiber filter removing bacteria and protozoa. Note: the quality of water will significantly affect the filter's 10000 liter life.