The MSR Guardian Water Purifier Pump was originally designed for the U.S. Military, who turned to MSR’s advanced water filtration technology to keep troops safe and healthy in every remote corner of the globe. Six years of research and development went into engineering the pump purifier, which removes viruses (such as norovirus, rotavirus, hepatitis A),
The MSR Guardian Water Purifier Pump was originally designed for the U.S. Military, who turned to MSR’s advanced water filtration technology to keep troops safe and healthy in every remote corner of the globe. Six years of research and development went into engineering the pump purifier, which removes viruses (such as norovirus, rotavirus, hepatitis A), bacteria (such as E. coli. Shigella, salmonella, cholera), protozoa (such as giardia, cryptosporidium, amoebae), and sediment from contaminated water sources anywhere on earth. It meets the strict NSF protocol P248 testing standard for the U.S. Military, using medical-grade fibers to provide protection from the tiniest microbiological waterborne threats. Designed to be fast, simple, and safe, it pumps at a rapid 2.5 liters per minute, has a long-lasting advanced filter that treats up to 10,000 liters of water, and withstands freezing temperatures, drops, heavy use, and harsh environments. A self-cleaning mechanism ensures reliability, flushing contaminants in the filter back into the source, so there is no backflushing or scrubbing cartridges to maintain flow. The MSR Guardian Water Purifier Pump is ideal for wilderness, backcountry use, expeditions, global travel, and emergency preparedness. It measures 8.2 x 4.7 inches and weights 17.3 ounces. Made in the USA.
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So I ordered it and when I received the purifier I immediately loved it,… however….. Length:: 0:40 Mins I did a lot of research and I reviewed a lot of marketing videos and was convinced that this product was what I wanted. I found only one negative review that stated the product was leaking from the base o-ring,..no big deal,… so I ordered it and when I received the filter I immediately loved it…. (the concept that is). Why??,…. after testing it several times I unscrewing the nalgene water bottle from the filter and I inadvertently loosened the…
Love It!! Purchased this pump after much research. I have been using the MSR Miniworks for years and have loved it. Hike a lot in Hoosier National Forest and pump from lakes and ponds when streams go under ground. The miniworks worked but had to be cleaned every 28-29 strokes due to sediment. I have used the Guardian on two trips since the 1st of Dec (2016) in the same lake and pond. WOW!! First time in 20 to 30° temperatures and I pumped and filled a 48 ounce Nalgene bottle in the time it took my…
Awesome filter but you pay for it. I only tried it once but pick the nastiest water I could find nearby that hopefully didn’t have to many chemicals in it :-), worked fine I love the fact that it cleans/flushes itself. Will put it to a another longer test this fall. Fills a 32oz nalgene in like 30 seconds real fast. Hopefully it lasts and isn’t a failure but I think MSR has this down. Oh and it purifies another added bonus of this compared to my hyperflow.