... wear comfortable 2,pleasing in appearance 3,Equipped with the latest PPE (III) CE Certificate duckbill ffp2 valve mask Material:First layer ... 01941, soft fabric, cut uniform, wear comfortable 2, pleasing in appearance 3, rubber band, moderate-intensity 4, filtration rate 5 ... goodDTC3B folding dust mask 20 / boxIn line with the U.S. NIOSH N95 standards, in line with the European EN149: 2001 and ...