MSR Guardian Gravity Purifier

SKU: 13460 Categories: ,


The MSR Guardian Gravity Water Purifier is a high-quality, high-volume, rugged purifier that meets the NSF P248 military testing standard, and handles the abuse of travel, all while providing safe drinking water.

In stock


As the world's most advanced backcountry purifier, this gravity water purifier protects against viruses, protozoa, bacteria, and sediment in some of the wost water condions. The Guardian originally was developed for military use and quickly became available for the backpacker, avid world traveler, and emergancy kits. The long-lasting preformance, duribility, and ease of purification may lead to this becoming the last water treatment device you'll ever need.

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
Guardian devices are the market’s only purifiers to pass the military standard P248 testing for virus removal
Width: 4 in
Height: 4 in
Length: 12 in
Weight: 1 lbs 3 oz
Filter Pore Size (Microns): 0.02
Effective against Bacteria: Yes
Effective against Particulate: Yes
Effective against Viruses: Yes
Effective against Chemical/Toxins: no
Cartridge Life: 3,000+ liters
Filter Media: Advanced Hollow Fiber
Flow (L/min): 0.5 L per Min

Additional information

Weight 2 lbs