military to backpackers, international travelers, and those stocking emergency kits,” said Sarah Courtney, M.S.R. “The Guardian™ Pump Purifier launched in 2016 and was the first water purifier to bring advanced technology originally developed for the U.S. has an in-house lab, all filters and purifiers are able to be tested throughout different stages of production, in different user scenarios, and before each and every product goes out the door.
Platypus quickdraw review full#
filter and purifier, including the new Guardian™ Gravity Purifier, passes the full 10-day test-at the beginning, middle, and even end of the cartridge’s life. To meet the full standard, products must complete a 10-day test challenged with both contaminated tap water and extremely dirty, “worst-case scenario” water that is worse than any water likely to be found in the backcountry. military, which is the strictest scientific standard for verifying that a device safely removes microbiological threats from all types of backcountry water. Protocol P248 testing standard used by the U.S.
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The Guardian™ Gravity Purifier meets the rigorous N.S.F.
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With the new Guardian™ Gravity Purifier, you get this high level of protection in a high-volume, versatile, convenient system that serves all of your daily water needs quickly and easily. Both the original Guardian™ Pump and new Guardian™ Gravity Purifier stand out because they remove not just bacteria and protozoa, but the tiniest waterborne pathogens-viruses-as well, which are of greater concern as more and more people visit the backcountry with less regard for their waste. 02 micron hollow fiber membrane that removes viruses, bacteria, protozoa, and particulate and activated carbon to reduce chemicals, tastes and odors. Using the advanced hollow fiber technology of M.S.R.’s award-winning Guardian Pump™, this gravity-powered sibling features two-stage purification: a. It’s also the only gravity purifier to offer that level of protection with such a fast flow rate, delivering 1 liter in 2 minutes, which is 2.5 times faster than the next closest competitor. The Guardian™ Gravity Purifier is a state-of-the-art, versatile, high-volume water purifier-and the only gravity purifier on the market that meets the rigorous N.S.F. Seattle-based Mountain Safety Research® (MSR®), the high-performance outdoor equipment brand and leader in water treatment science, is excited to announce the launch of the Guardian™ Gravity Purifier for spring 2021. launches Guardian Gravity Purifier for Spring 2021Ī Fast Virus-Removing, 10-Liter Gravity System For Groups & Adventure Travelers Overall I think this is a nice direction for membrane filters and gives another good option out there for the market.M.S.R. Only weighs a little over 3 ounces with the bag. However, I wish it had a hole in the bottom to hang it upside down to dry or use it as more of a gravity filter. The bag is easy to fill and doesn’t seem fragile. Tried a longer lanyard and some twirls to get a little more water out before putting it away. Open both ends and let it dry on the outside of the pack.
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During the winter this will be handy so that it can be closedon both sides and thrown into a jacket pocket to prevent freezing. There is a cap on both ends that’s attaches to the unit.
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There is a way to check for filter integrity. Just use a squeeze bottle on the clean end. It will not do viruses, trace metals or chems. The filter itself is supposed to be good for bacteria and Protozoa. The QuickDraw comes with a filter and a 1 liter bag. Picked this one up last week and just wanted to give a quick Preliminary review.