NBC News4y
The best KN95 masks and how to shop for them, according to experts
A KN95 face mask is a type of disposable respirator. (Most people use ... It filters 95% of particulate matter, just like the N95 mask, says Dr. Nina Shapiro, a pediatric ear, nose and throat ...
Business Insider4y
Respirators are more effective than surgical masks at protecting against infection — here's how they work and who should wear them
There are specific types of respirators for different scenarios, including: Particulate respirators protect health care workers Respirators, like the commonly found N95 face masks, help protect ...