These are not N95 mask. The problem of N95 masks that we learned the hard way during SARS 1.0 is that there really is a lot of self-discipline required to wear it all day long because they are kind of thick.
These are not N95 mask. The problem of N95 masks that we learned the hard way during SARS 1.0 is that there really is a lot of self-discipline required to wear it all day long because they are kind of thick.