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And it did: With a perfect seal, the mask offered more than 99% filtration efficiency for 0.5-micron-diameter particles drawn through a chamber at a rate of 15 liters per minute (similar to the rate that a person would exhale when talking at normal volume). manufacturer Guangzhou Powecom in the U.S. since 2020. ) Our journalists combine independent research with (occasionally) over-the-top testing so you can make quick and confident buying decisions. Bona Fide Masks is the only Powecom distributor to currently offer the Black KN95 face mask for sale in the United States. Co., Inc.) is the NO.1 direct importer and the Largest authorized Distributor of FDA-approved KN95 masks are on sale at Amazon The intended use of the KN95 protective masks is to protect the wearers against non-toxic solid, particulates, powder, PM2.5 smog, dust, saliva, suitable for Non-oil particles. This mask is also more than twice the price of our other respirator picks, the lighter but odd-looking Kimberly-Clark N95 and the easy-on, easy-off but less-adjustable Powecom KN95. Armed with this advice, I continued my search for the Powecom mask. As with cloth face masks, some people find bands to be easier to adjust than ear loopsyou can play around with knots and positioning to create a good seal. Please just click one time (to avoid repeated checkings). If you're having trouble deciding what the best options are, the Food and Drug Administration has an ongoing list of Emergency Use Authorized masks, and these popular KN95 masks on Amazon made the cut. These masks stood out from the rest of the competition because of the positive response we received from a relatively broad swath of panelists, as well as their high performance in our filtration-efficiency testing. Volume Weight:15.9 KG/carton One lukewarm review from someone who had paid for the product noted that the masks were thin and very, very big.. Do not use the face mask in explosive atmosphere and place. However, this mask comes in only one (rather large) sizewhich made it harder for some of our panelists to achieve a solid seal. Overall, most KF94s feel thinner than the N95s and KN95s we tried (except for the Kimberly-Clark mask we recommend and the 4CAir AireTrust Nano Mask we also like), and their boat-like shape provides arguably more-reliable clearance over the nose and mouth. 2. - Office Depot This level of filtration on medical-style masks (assuming theyre genuine) is better than what you can get from almost all masks made from only cloth, said Linsey Marr, a professor of engineering at Virginia Tech who is an expert in the science of aerosols. But they are a tad longer horizontally and come only in an ear-loop option.