Published Jun 16, 2021 at 17:43pm ET
Including infectious agents such as germs and viruses. N95 filter what size particles does an N95 mask filter why Must I Put on A Mask? N95 filter N95 filter size many people are not aware of how to properly sanitize their N95 face masks - and this can be dangerous if they reuse the mask without sanitizing it first! N95 masks and also KN95 masks are actually extremely identical. How can you tell if an N95 mask is real or fake? If you feel air coming through any part of the mask that isn't intended to be open, then your mask may be phony.