Want more from NBC Select? Sign up for our newsletter, The Selection, and shop smarter. A KN95 face mask is a type of disposable respirator. (Most people use “mask” and “respirator ...

Five years after Donald Trump declared a national COVID emergency, here's what the research says about face masks.

Facial hair may also make the fit of these masks difficult. NIOSH N95 Face Mask (20-Pack) Jubanyik also mentioned KN95 masks but stressed the importance of ensuring the one you pick up is from a ...

For that reason he stresses wearing a medical-grade mask like an N95 or KN95, both of which offer high filtration levels and a snug fit over the nose and mouth. If for some reason you can’t find ...