Your cart is currently empty

Guardian Filter

Quote Range


Made for the military, used by all. The MSR guardian is a top of the range filter that is built for purifying some of the dirtiest water!

Add to quote

Add to Quote
More Detail

Nothing is safer or easier to use for purifying the most demanding backcountry water sources than the Guardian purifier. Originally designed for military squads, it brings this highly advanced technology to global travelers, backcountry users, and those stocking emergency kits. Fast and easy to use, this pump purifier offers the added viral protection you need when traveling in developing nations and popular wilderness areas. Its advanced hollow fiber filter offers the most reliable way to purify even filthy water conditions. Add its long-lasting performance and revolutionary self-cleaning ease, and this may be the only 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.

Fast & Easy: Pumps a rapid 2.5 liters per minute, offering added viral protection without the need for chemicals, bulbs, batteries, or waiting.

Self-Cleaning: Pump self-cleans on every stroke, providing consistently fast flow rates with zero hassle—no backflushing or filter-scrubbing ever required.

Long-Lasting: Leading-edge hollow fiber cartridge treats up to 10,000+ liters.

Extremely Durable: Engineered to withstand heavy use, freezing, drops*, and harsh environments.*Withstands MSR water lab drop testing: 6 ft. to concrete.

Product Specifications
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):2.5 Litres per minute
Cartridge life:10,000+ Litres
Field cleanable:Self Cleaning
Field Maintainable:Yes
Related product

But wait, there is more! Check out these similar products to compare or some extra items you may want to help you have the best experience possible! Maybe a groundsheet for your tent floor or a liner to save your new sleeping bag from your funky smells!?

(1) Item added to Gear List (1) Continue to quote