... needle punched clothAdvantages of en149 respiratory protection surgical mask:Conforms to international standard:EN149:2001 ... , clean, environment friendly.Applications of en149 respiratory protection surgical mask:Chemurgical, Spray-paint/printing, Dyeing, Garage ... Disinfecting, Insalubrious workshops, etc.Package of en149 respiratory protection surgical mask:20pc/box, 400pcs/ctnCarton size: 65 ...