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MSR Guardian Water Purifier Pump

4.8
Rated 4.8 stars
6 Reviews
Regular price $389.95
Regular price $0.00 Sale price $389.95

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Product title: MSR Guardian Water Purifier Pump
SKU: ACA_CDGUARD

The MSR Guardian Water Purifier Pump is designed to be the safest, easiest way to purify water. It's engineered to withstand freezing and harsh environments. With its long-lasting performance and revolutionary self-cleaning ease, the Guardian Water Purifier Pump may be the only water treatment device you’ll ever need.

  • Rugged construction, self-cleaning
  • Pumps 2.5 liters per minute
  • Cartridge replacement indicator
  • Water bottle adapter
  • Meets NSF protocol P248, testing standard used by U.S. military

Please Note: Some brands may not be shipped internationally. This item can only be shipped to U.S. addresses. We would love to ship the item, please be sure the address provided upon checkout is within the U.S. Otherwise, we will contact you via email to advise that your order has been canceled due to the shipping restriction.

Technical Specifications

Cartridge life 10,000+ liters
Filter Matrix Hollow Fiber
Filter Pore Size 0.02 Micron
Dimensions 8.2" x 4.7"
Weight 17.3 oz.


Warranty & Returns & Prop 65 Info

Easy Returns - Money Back Guarantee

Outdoorplay has a very consumer-focused new/unopened return policy. If you are not 100% satisfied with what you have purchased from Outdoorplay, return it within 60 days of purchase and take advantage of our amazing no-hassle money back guarantee. We'll refund you the product price on any returned item(s). You'll never regret your purchase with Outdoorplay. We've got you covered.

Note: We do not accept returns on used products. All returns must be in original packaging with original hang tags. Otherwise a restocking fee may apply.

4.8
Rated 4.8 stars
Based on 6 reviews
6 reviews
  • SN
    Stephen N.
    Verified Buyer
    I recommend this product
    Rated 5 stars
    1 year ago
    Guardian Water Purifier

    This water purifier has not been delivered yet due to Covid 19.

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  • EB
    Ed B.
    Verified Buyer
    I recommend this product
    Rated 5 stars
    2 years ago
    Best lightweight pump on the market for filtering out bacteria and viruses

    This filter will filter clean water from mud. It's fast and easy to pump water and flushes clean. I took my old one on many backpacking trips over the years; it was time for a new one. You need a little weight on end to hold collection end in a cold stream. It's better than other products on the market. Not for ultralight backpackers, where every ounce counts.

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  • GS
    Guest S.
    Verified Buyer
    I recommend this product
    Rated 5 stars
    4 years ago
    MSR Guardian water purifier

    Recently, I bought two MSR Guardians from Outdoorplay due to their great pricing.

    I used my own MSR Guardian on a 17 day trip around the Mediterranean in Oct 2016. On-board ship it was unnecessary because of the ship's reverse osmosis filtration system, but I used it anyway because of so many stories about occasional sickness on cruise ships. I felt the biological protection provided by the Guardian was worth the little bit of extra effort. I used it in conjunction with a Zero water filter ( for the chemical issues) which I also brought on board.

    Using the water meter that came with the Zero I found the dissolved solids in the Venice (start point) water to be about 250 and the Barcelona (end point) water to be 550. So at the start and finish where we spent a few extra days I was very glad to have the Guardian and the Zero.

    At home I have concerns about computer hackers shutting done power grids and causing water purification plants to have reduced or no capacities. So as a temporary fix for two daughters and their families who live some distance away, I bought two Guardians from Outdoorplay for the biological filtration of 2,000 gallons of water. I also bought a Zero filtration system and extra filters for the chemical filtration. You would need both.

    The only concern is that while the Guardian stops down to .02 microns the Rotavirus and Hepititis apparently can go down to .005 microns. Previously, I had bought a small hand-cranked ultraviolet light that doesn't kill anything but instead alters the DNA such that reproduction cannot occur.

    So while I can't be with my family, at least their potential needs from a sudden temporary water failure have been addressed.

    In Vietnam years ago I experienced a few bad water problems and now try to prevent them.

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  • T
    Torkelbot
    Flag of United States
    I recommend this product
    Rated 5 stars
    6 years ago
    MSR Guardian Water Purifier Pump

    The filter did its job. We were able to filter about a liter before we had to clean the ceramic filter. This could not have been easier. The disassembly and cleaning with the scotch bright pad took less than two minutes. By the end of the hike my boys could do the whole process for themselves. The stagnant brown water came out crystal clear with no smell and tasted as good. We brought MSR filtered water home and taste tested it against filtered water from our refrigerator. You could not tell the difference.

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  • J
    Jadmav
    Flag of United States
    I recommend this product
    Rated 4 stars
    6 years ago
    MSR Guardian Water Purifier Pump

    I bought this filter this summer to go backcountry and enjoying it. It's size and weight is just fine. After many uses though water doesn't flow as quickly.

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