CNN CNN Newsroom Live January 14, 2022 09:55:00
If correctly fitted. >> we do want to make sure they fit properly so you don't want air escaping from the sides, underneath or around the eyes. got to make sure it's really snug. but it's an effective mask. that's the thing. >> reporter: one expert says n95s are very similar to kn95s because they both have high efficiency filters. but the n95 has a slight edge over the kn95. >> it provides a better fit to your face. if a mask doesn't fit your face well, it's going to leak. >> reporter: another key question, can you wear an n95 or kn95 more than once? yes, says one expert. >> you can wear an n9...
Source: archive.org