... ,FFP3,N95,N99,R95, 2. Material:sponge 3. BFE:95%,99 resuable protective sponge dust mask with active carbon 1.Description ... :Product Name:sponge mask,sponge dust mask,sponge face maskProduct Code:M7002shapeplainstandardFFP1,FFP2,FFP3,N95,N99, ... Harmful Industrial Dust,It Can Prevent Silicosis4.A Soft Inner Foam Nose Cushion Help to Press Close To Face And Increase ...