Quality Disposable Respirator Face Masks with ratings of P1,P2, P3, N95, KN95, FFP2. Protect from harmful particulates, vapours & viruses. Protect your lungs from airborne contaminants.
It has recently come to attention that valved masks could be problematic if used to protect against viruses as the virus can be stored on the surface of the value there for increasing the chance of infection. Also note with valved masks they do not filter the out going air so they will not protect others from exhaled breath. Because of this the WHO and governing bodies recommend wearing non valved respirators.