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MSR Guardian Gravity Water Purifer for Backcountry Use, Global Travel, and Emergency Preparedness,Grey

4.5 4.5 out of 5 stars 71 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Camping & Hiking Water Purifiers by MSR

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Material
Plastic
Capacity
10 Liters
Included Components
Dirty Collection Bag, Filter, Hoses
Purification Method
Activated Carbon, Hollow Fiber Membrane

About this item

  • State-of-the-art water purification system in an easy-to-use, high-volume gravity system; ideal for travel, backcountry and emergency use
  • Advanced, hollow-fiber technology removes viruses (99.99%), bacteria (99.9999%), protozoa (99.9%), sediment and microplastics from “worst-case” water conditions
  • Activated carbon reduces chemicals, unpleasant tastes and odors
  • Fast and easy to fill: Simply hang the 10-liter reservoir and purify up to 1L in 2 minutes based on an optimal hang height of 6 ft above the clean water output
  • Includes: two-stage purifier, 10L reservoir, universal bottle adapter, hoses and zippered carry case; lifetime capacity: up to 3000L; measures 12.5 x 4 inches, packs to 8.2 x 4.7 and weighs 18.7 ounces; made in the USA

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From the brand


From the manufacturer

guardian gravity header
Guardian Features
Why Guardian Gravity
Made in the USA
MiniWorks Miniworks Purifier Guardian Trail Shot AutoFlow Guardian Gravity
MiniWorks EX Microfilter MiniWorks EX Purifier Guardian Purifier TrailShot Microfilter AutoFlow XL Gravity Filter Guardian Gravity Purifier
Customer Reviews
4.6 out of 5 stars
1,526
4.6 out of 5 stars
211
4.6 out of 5 stars
442
4.6 out of 5 stars
945
4.7 out of 5 stars
55
4.5 out of 5 stars
71
Weight 16 oz 16 oz 17.3 oz 5 oz 12 oz 1 lbs 3 oz
Flow Rate (Liters per Minute) 1 L/Minute 1 L/Minute 2.5 L/Minute 1 L/Minute 1.75 L/Minute 0.5 L/Minute
Cartridge Life (Liters) 2,000 Liters 2,000 Liters 10,000 Liters 2,000 Liters 1,500 Liters 3,000+ liters
Effective Against Protozoa (ex: Giardia, Cryptosporidium)
Effective Against Bacteria (ex: E. coli, Salmonella, Cholera)
Effective Against Viruses (ex: Hepatitis A, Norwalk, Rotavirus)
Effective Against Particulates (dirt, microplastics)
Effective Against Taste/Odor
Testing Standards P248/P231 NSF P231 Testing For removal of bacteria (99.9999%) and protozoa (99.9%) from beginning to end of filter life in “worst-case” water. NSF P231 Testing For removal of bacteria (99.9999%) and protozoa (99.9%) from beginning to end of filter life in “worst-case” water. NSF P248 Testing Standard used by U.S. military for removal of viruses, bacteria (99.9999%), protozoa (99.9%), and sediment from “worst-case” water conditions. NSF P231 Testing For removal of bacteria (99.9999%) and protozoa (99.9%) from beginning to end of filter life in “worst-case” water. NSF P231 Testing For removal of bacteria (99.9999%) and protozoa (99.9%) from beginning to end of filter life in “worst-case” water. NSF P248 Testing Standard used by U.S. military for removal of viruses, bacteria (99.9999%), protozoa (99.9%), and sediment from “worst-case” water conditions.
Water Bottle Adaptor

Product Description

The MSR Guardian Gravity Water Purifier has you covered with safe water around the world—from local backcountry to remote villages and home emergencies. It’s advanced, two-stage filtration utilizes activated carbon and hollow-fiber technology to purify water from most any source, meeting NSF protocol P248 military testing standard for removing viruses (99.99%), bacteria (99.9999%), protozoa (99.9%), sediment and microplastics from “worst-case” water conditions, while reducing chemicals and unwanted taste and odors from your water. Simply hang the 10-liter reservoir and purify up to 1L in 2 minutes based on an optimal hang height of 6 ft above the clean water output, providing safe water for your group. It also includes a universal bottle adapter for easy connection to most common bottle shapes and sizes. The whole system measures 12.5 x 4 inches and weighs 18.7 ounces. It packs neatly into an included, zippered carry case. Made in the USA. Manufacturer’s 3-year limited warranty.

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MSR Guardian Gravity Water Purifer for Backcountry Use, Global Travel, and Emergency Preparedness,Grey


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Customer reviews

4.5 out of 5 stars
4.5 out of 5
71 global ratings

Top reviews from the United States

Reviewed in the United States on November 3, 2023
5 people found this helpful
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Reviewed in the United States on January 28, 2024
Reviewed in the United States on October 24, 2023
Reviewed in the United States on June 20, 2021
One person found this helpful
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Reviewed in the United States on July 10, 2023
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Reviewed in the United States on August 15, 2022
10 people found this helpful
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Reviewed in the United States on October 27, 2023
2 people found this helpful
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Reviewed in the United States on November 25, 2022
7 people found this helpful
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Top reviews from other countries

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Amazon Customer
5.0 out of 5 stars Great item works really well
Reviewed in the United Kingdom on April 23, 2022
Tony Portillo
5.0 out of 5 stars 3000 Liters / 275 euros = ~ 10 cents per Liter of clean and great tasting water!
Reviewed in Germany on April 6, 2022
One person found this helpful
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Jan
3.0 out of 5 stars Geht besser
Reviewed in Germany on September 8, 2023
One person found this helpful
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