Letter: Clarifications on N95 Masks
Dear Editor: There seems to be a lot of misunderstandings about N95 masks. I have quoted some information from CDC, NIOSH, OSHA, and the FDA to help clear some of the confusion. The main issue I hear is that “only medical rated (by the FDA) N95 masks should be used to protect oneself against Coronavirus and other flu.” This is not necessarily true. The “95” part of the N95 stands for the percentage of particulate matter that the mask will filter out. The size of the test media is .03 micron. At .03 micron an N95 mask is more than …