23 Jul 50/100Pcs Black KN95 Face Mask 5 Layer BFE 95% Disposable Respirator with Valve
10/30/50/100 Pcs KN95 Protective 5 Layers Face Mask BFE 95% PM2.5 Disposable Respirator5-ply foldable KN95 masks have up to 95% filtration efficiency of non-oily suspended particles of 0.3-micron levels. Ideal for daily use, helping prevent the spread of germs and protect yourself from airborne particles,...