MSNBC Zerlina January 22, 2022 11:27:00
Filtration system. i have a couple with me. these masks, if you cut one open, it's got multiple layers, and one of the most important layers is an electrically charged lay their can trap the particles that i mentioned. these masks typically have two head straps that go around the back of your head, and they come in many different shapes and sizes and feels. it's not one mask that's called n95. i have two in front of me as you can tell look very different. i've tried and worn many different ones. i wore them before covid as a doctor. i wore them throughout the pandemic and never got infected by...