The N95 mask is one of nine particulate protective masks certified by NIOSH (National Institute for Occupational Safety and Health).
A face mask is a sanitary product, generally refers to a device worn on the nose and nose to filter the air entering the nose and nose to prevent harmful gases...
Medical masks are mostly made of one or more layers of non-woven fabrics. The main production processes include meltblown, spunbond, hot air or acupuncture.
Medical protective masks refer to self-absorbent filtering dust-proof medical protective articles that can filter the particles in the air...
Class N masks are one of nine anti-particulate masks certified by NIOSH (National Institute of Occupational Safety and Health).
PM2.5 mask refers to a mask that can effectively filter PM2.5 particles. The tightness of the mask determines the ability to filter suspended particles.