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Oct 12, 2020·Researchers at ECRI found that up to 70 percent KN95 masks imported from China don’t meet U.S. standards for effectiveness as with N95 masks. The group issued a …

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Jan 26, 2020·N95 N99 Anti Pollution Dust Mouth Mask. These types of masks have also been fairly popular and appear to be a good option. They are also N95 rated and feature the following: Washable or replace the carbon filter sheet. Adjustable straps for good fit and comfort. Protection from all types of dust …

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Apr 18, 2020·The Federal Drug Administration and Centers for Disease Control have both approved the use of KN95 masks in the cases of N95 shortages, but appearances aside, there are two major differences ...

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Dec 07, 2020·KN95 Masks – Per 3M Safety, these masks are made in China. They offer 95% filtration but not the tight fit of respirators. They offer 95% filtration but not the tight fit of respirators.

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The protective mask is made of non-woven fabric The protective mask is made of non-woven fabric layers and melt-blown filter material which can resist 93% of non-oily particles, dust, pollen, smog and other pollutants. With adjustable nosepiece for proper fit and easy to breathe through.

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Most of these differences are small and would be uninteresting to the average mask user. However, here are the key differences: 1. To be certified as a KN95 mask, the Chinese government requires the manufacturer to run a special mask fit test on real humans with ≤ 8% leakage. The N95 mask standard does not require manufacturers to run fit tests.

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