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 travellers, backcountry users, and those stocking emergency kits. Fast and easy to use, this pump purifier offers the added viral protection you need when travelling in developing nations and popular wilderness areas. Its advanced hollow fibre 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 litres 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 fibre cartridge treats up to 10,000+ litres.
• Extremely Durable: Engineered to withstand heavy use, freezing, drops*, and harsh environments.*Withstands MSR water lab drop testing: 6 ft. to concrete.

Specs:

Model: MSR 02370
Width (Standard): 3 in
Weight (Standard): 1 lb 1 oz
Weight (Metric): 0.49 kg
Height (Standard): 4.5 in
Effective against bacteria: Yes
Effective against chemicals/toxins: No
Effective against particulate: Yes
Effective against protozoa: Yes
Effective against viruses: Yes
Filter media: Advanced Hallow Fiber
Filter pore size (microns): 0.02
Flow (L/min): 2.5 litres per min
Cartridge life: 10,000+ litres
Field cleanable: Self-cleaning
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 Materials