... blown3rd layer: 220g needle punched cloth Advantages of n95 particulate face mask:Conforms to international standard:EN149:2001 ... of maintenance, hygienic, clean, environment friendly.Applications of n95 particulate face mask:Chemurgical, Spray-paint/printing, Dyeing, Garage ... and food, Disinfecting, Insalubrious workshops, etc.Package of n95 particulate face mask:20pc/box, 400pcs/ctnCarton size: 65 ...