MSR Guardian Gravity Purifier 10ltr

- Ultimate Protection: Meets NSF protocol P248, testing standard used by U.S. military, for removal of viruses, bacteria, protozoa, and sediment from "worst-case” water conditions.
- Better-Tasting Water: Two-stage purifier includes activated carbon to reduce chemicals and unpleasant tastes and odors
- Easy to Fill: 10 -liter reservoir is easy to fill at sinks and streams alike; covers daily water needs for drinking, cooking and hygiene.
- Simple Cleaning: No backflushing required—simply opening the purge hose flushes the system to clean it and maintain flow rate.
- Fast-Flow Rate: Up to 1 liter in 2 minutes with optimal reservoir hang height of 6 feet, 2.5x faster than the next leading gravity purifier.
- Engineered for Travel: Rugged, military-grade construction. Compact system fits easily in carry-on luggage and smaller packs.
- NSF P248 Testing Standard: The most rigorous scientific certification for proving a treatment device safely removes claimed contaminants from challenging wilderness water sources. Guardian devices are the market’s only purifiers to pass the military standard P248 testing for virus removal.
- *Meets U.S. EPA Guide Standard and Protocol for Testing Microbiological Purifiers

- Weight (Standard):1 lbs 3 oz
- Weight (Metric):0.53 kg
- Width (Standard):4 in
- Width (Metric):10 cm
- Length (Standard):12 in
- Length (Metric):30 cm
- Height (Standard):4 in
- Height (Metric):10 cm
- Effective against bacteria:Yes
- Effective against chemicals/toxins:No
- Effective against particulate:Yes
- Effective against protozoa:Yes
- Effective against viruses:Yes
- Filter media:Advanced Hollow Fiber
- Filter pore size (microns):0.02
- Flow (L/min):0.5 liters per min
- Cartridge life:3,000+ liters
- Field cleanable:Yes
- Field maintainable:Yes
- Water Bottle Adapter:Yes
- Cartridge replacement indicator:Yes

- Material(s):Hollow Fiber
- Country of Origin:Made in the U.S.A. of U.S. and Imported