The KN95 (Chinese Standard GB2626-2006) respirator mask is currently the most widely available mask for healthcare workers and is recognized by:
3M (a multinational conglomerate corporation),
the FDA (US Food and Drug Administration), and
the CDC (US Centers for Disease Control and Prevention)
as being equivalent to the US N95 (NIOSH-42C FR84) Standard.
K95 vs KN95 Performance Comparison Table
Refrences
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