MSR Guardian Water Purifier

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  • The Guardian Purifier by MSR offers military-grade engineering and game-changing technology, so you can purify water virtually anywhere on earth including the nastiest swamps right here in Canada.

    Easy to use, compact, rugged and certified to NSF P238, this portable water purifier is perfect for global travelers, backcountry users, and those stocking emergency kits.

    Did we mention it offers full viral protection, withstands freezing and drop testing and... treats 2.5 L per minute?

  • The Guardian Purifier is the world’s most advanced portable water purifier. Nothing is safer or easier to use for purifying the most demanding water sources. 

    Fast and easy to use, this pump purifier offers the added viral protection you need when traveling in developing countries. Its advanced hollow fiber filter offers the most reliable way to purify even filthy water conditions. Add its long-lasting performance (it treats up to 10,000L!) and revolutionary self-cleaning ease, and this may be the only water treatment device you’ll ever need.

    Click here for our full collection of MSR Guardian Replacement Parts.

    Why You Need the MSR Guardian Purifier:

    • Effective Against: Viruses (99.99%), bacteria (99.9999%), protozoa (99.9%) and particulate.
    • Hollow fiber filter meets U.S. EPA drinking water standards* and NSF protocol P248, U.S. military testing standard. *U.S. EPA Guide Standard and Protocol for Testing Microbiological Purifiers.
    • Fast and 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.
    • Weight (Standard) 1 lbs 1.3 oz
    • Weight (Metric) 0.49 kg
    • Made in the U.S.A. of U.S. and Imported Materials


  • Shipping

    For full Elua shipping details, please visit our shipping page.

    Fellow Canadians

    Enjoy FREE SHIPPING in Canada on orders over $60 and a fantastic $9.95 flat rate shipping for orders over $20.

    Most orders ship within 1 business day but if you get your order in early we'll ship it same day. Most orders ship from Thunder Bay, ON via Canada Post Expedited Parcel with the following service times:

    -Local: 1 day or call to arrange pick up

    -Regional: up to 3 days

    -National: up to 7 days

    Need faster service? Give us a call, we'd be happy to arrange. Upgrade to Purolator or UPS, Overnight or 2-3 days shipping starting at just $10. Yes, we ship from Canada!.

    Our Friends In The USA

    Ordering from the USA? No problem, choose from a variety of live shipping rates during checkout. Please note that all pricing is in CAD. Your credit card provider or PayPal will convert to USD for you. Shipping charges do not include brokerage fees, approximately $25-35 per order depending on courier. Brokerage fees may be due at delivery or be invoiced by your courier after delivery.