... ,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, ... And Non-Simulating Materials,Low Breathing Resistance With High Filtration EffIiciency3.Filtering And Adsorbing Harmful Industrial Dust,It Can ...