Individually-wrapped Purvigor KN95 disposable filtering facepiece respirators (FFR) are designed to help protect against bacteria and germs to prevent the spread of infectious disease. Filters non-toxic dust, pollen, allergens, dander, sawdust, garage dust, garden and general household dust, and irritants. Protection type: Dust Protection PM 2.5 Standard, Anti-Dust, Anti-Pollen, Anti-Infection
