MSR Guardian Gravity Purifier Replacement Cartridge
Keep your MSR Guardian Gravity purifier (not included) going strong with this replacement cartridge. It ensures high-flow delivery of purified water on demand.
- When used with the Guardian Gravity water purifier (not included), this hollow-fiber cartridge provides fast, antivirus water purification—up to 1 liter in 2 minutes
- Meets NSF protocol P248 military testing standard; removes viruses (99.99%), bacteria (99.9999%), protozoa (99.9%), sediment and microplastics from worst-case water conditions
- 2-stage purifier includes activated carbon to reduce chemicals and unpleasant tastes and odors
Made in USA.
View all MSR Replacement Water Filters| Best Use | Backpacking |
|---|
Be the first to write a review!
Adding a review will require a valid email for verification
Need help choosing gear?


Join once. Adventure for life.
Start earning an annual Co-op Member Reward* with a $30 lifetime membership!
10%
Earn $24 in rewards on this item
And earn 10% rewards on future eligible purchases*



