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Based on this comparison, it is reasonable to consider KN95(China GB2626 2006), KF94 (Korea KMOEL 2017 64) as equivalent to N95 (United States NIOSH 42CFR84) and FFP2 (Europe EN 149 2001) respirators, for filtering non oil based particles such as those resulting from wildfires, PM 2.5 air pollution, volcanic eruptions, or bioaerosols (e.g. viruses).Ce FDA Ffp2 N95 Kn95 Breathing Valve Air Filter Pm 2.5 China Ce FDA Ffp2 N95 Kn95 Breathing Valve Air Filter Pm 2.5 Face Shield, Find details about China Kn95, Face Mask from Ce FDA Ffp2 N95 Kn95 Breathing Valve Air Filter Pm 2.5 Face Shield Anhui Sunshine Home Textile Understanding PM2.5 Cambridge Mask CoNov 27, 2015 · The 2.5 in PM 2.5 refers to the size of the pollutant in micrometers. Additionally, particulate pollutants vary in size and the smaller they are, the more damage they cause to your health. PM10 is particulates that have a diameter of 10 micrometers or less. Dust particles are the main source of PM10. PM2.5 is comparatively much smaller in

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