... EN 149:2001 certificate 2)nonwoven fabric adjust with noseclip 3)folding mask Product name: Disposable Particulate Respirator(FFP2 ... permeability*Maintenance/cleaning free, folding,convenient to use*Recommended applications: Hardware, plating, mining, chemical, sterilizing, spray, agriculture, solution cleaning, painting, ink ... so on. 3-ply non-woven CE face mask respirator with vavle