10 Best Face Masks for Virus Protection Reviewed & Rated
Mar 19, 2020 · Comes with a metal nose clip for better sealing; Can block particulates that are 2.5 microns wide; Aside from N95 and P100 face masks, you can also use medical grade masks that have high fluid resistance. Ideally, these should be the ones that have level 3 resistance according to the ASTM. A good face mask should be so lightweight that