KN95 masks-Yao shuai

KN95 respirator is an ordinary self-priming filter respirator that can filter ≥95.0% non-oily particles and protect against all kinds of particulate matter.Suitable for crowded places such as buses, taxis, drivers, sanitation workers, shopping malls, airports, railway stations and other places to use。 Masks have a certain filtering effect on air entering the lungs. They are good protection when respiratory infections are prevalent and when working in dusty and other polluted environments.