MSR Guardian Gravity Replacement Cartridge Pristine Removable access door can be

Removable access door can be inserted or removed for air-control and for re-fueling

5" / 216 mm x 2

is one of the world's finest paddling destinations

Key locking security attachment towers

Disinfect Wounds

MSR Guardian Gravity Replacement Cartridge Pristine Removable access door can beDescription 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: