Face Masks varieties
Posted by https://www.who.int/emergencies/diseases/novel-coronavirus-2019/advice-for-public/when-and-how-to-use-masks on Apr 22nd 2020
About masks:
KF94 are the Korean - manufactured alternative and equivalent of the US-manufactured N95 masks.
N95 = USA Code, KF94 = Korea code, KN95 = China code, and FFP2 = EU code (including the U
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