face mask respirator with vavle 1)with CE EN 149:2001 ... cleaning, painting, ink and dyeing, electronic, food processing, workshops, etc.*packing:20pcs/box,20boxes/CTN*CTN SIZE:52.5*43.5 ... :**Various mask can be supply,including face mask,Anti-Flu mask,disposable mask,non-woven face mask,particulate resirator.**Quality control.A ... Europe,Japan and so on. 3-ply non-woven CE face mask respirator with vavle