MSR Guardian Purifier
This product is not available. Good news: we have a newer version.
Shop newer versionFast and easy to use, the MSR Guardian Purifier physically removes viruses, bacteria, protozoa and dirt on backcountry trips and international travel.
- Unlike conventional hollow-fiber technology, the advanced medical-grade fibers in the Guardian block viruses—something most other hollow-fiber filters cannot do
- Physically removes viruses, bacteria, protozoa and particulate, including hepatitis A, E. coli, giardia, cryptosporidia and more
- Purifies 2.5 liters per min.
- With every stroke, the purifier uses 10% of its water to flush the contaminants in its filter back into the source; this means you'll never have to hassle with back-flushing
- Rugged construction is designed to withstand freezing and drops up to 6 ft.
- Cartridge life: 10,000 liters
Made in USA.
View all MSR Pump Water Purifiers| Best Use | Backpacking Camping Travel |
|---|---|
| Filter Type | Pump |
| Filter Medium | Advanced hollow fibers |
| Removes/Destroys | Protozoa, Bacteria And Viruses |
| Pump Force | 4 pounds |
| Pump Strokes per Liter | 35 |
| Output | 2.5 liters per minute |
| Housing Material | Polyurethane |
| BPA Free | Yes |
| Field Cleanable | Yes |
| Dimensions | 8.2 x 4.7 x 3.5 inches |
| Weight | 1 lb. 1.3 oz. |