MSR Guardian Gravity Replacement Cartridge Pristine is one of the world's

is one of the world's finest paddling destinations

Key locking security attachment towers

5" / 216 mm x 2

Disinfect Wounds

MSR Guardian Gravity Replacement Cartridge Pristine is one of the world'sDescription Features Specifications Videos Restores flow rates to your Guardian Gravity Purifier System and delivers peace of mind when stored as a back up cartridge with your system, assuring zero downtime. Ships to Canada Only Ultimate Viral Protection: Meets NSF protocol P248 military testing standard for removing viruses (99. 99%), bacteria (99. 9999%), protozoa (99. 9%), sediment and microplastics from worst case water conditions. High Flow: