50 PCS KN95 Protective 5 Layers Face Mask Disposable Respirator BFE 95% PM2.5
10/30/50/100 Pcs KN95 Protective 5 Layers Face Mask BFE 95% PM2.5 Disposable Respirator. What is a KN95 mask?. KN95 mask with filter. Glue-free and odorless face mask. Soft and flexible nose bridge can be adjusted to the face for comfort and perfect fit.