N95 Face Mask filter
What is N95 and what does it have to do with medical protective masks?
Answer 1: The N95 mask is one of nine anti-particulate masks certified by NIOSH (National Institute of Occupational Safety and Health). Particulate matter protective masks, commonly known as dust masks, are a kind of special labor protection products. Domestic production of particulate matter protective masks requires an industrial product production license, and the products should meet the mandatory national standard GB2626-2006.