Mountain Safety Research

Guardian™ Purifier

$349.99

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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.

NOTICE: Some products in this store can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Please check the product label for warning information. For more information go to P65Warnings.ca.gov. We cannot ship any products into California that are affected by Proposition 65.

SHIPPING CHANGES: Due to new sales tax rules in the state of Colorado, effective June 1, 2019, purchases made online through JAX Mercantile for customers in the state of Colorado will only be able to be shipped to addresses within JAX current tax jurisdictions in Fort Collins, Loveland, Lafayette, and Broomfield. Customers in the state of Colorado who do not have shipping addresses within these zip codes may still opt for in-store pickup at any JAX store location when making a purchase on the JAX website. Learn more on our shipping and returns page.

Customer Service: 1-800-336-8314 Monday - Friday 9am to 5pm MTN