MSR Guardian Purifier

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.
  

Weight (Metric): 0.49 kg

Width (Standard): 3 in

Length (Standard): 8.25 in

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 Hollow Fiber

Filter pore size (microns): 0.02

Flow (L/min): 2.5 liters per min

Cartridge life: 10,000+ liters

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

Contact us within 30 days of receiving your goods to request a refund or exchange if products are eligible (see: Return Policy).

All packaging or products must be in their original, re-sellable condition.

Outlet sales are final and can only be returned for exchange. Items found faulty or under warranty will be replaced or refunded.

Some special condition products are labelled as No Refund & Exchange Products. Sale of these items are final and are not eligible for neither refunds nor exchanges.

For safety reasons, K2 cannot accept returns on climbing equipment, socks, underwear and some other products unless faulty.

Please check out our refund policy if you need more information.