face mask respirator with activated carbon fabric 1)with CE EN 149:2001 certificate 2) ... plating, mining, chemical, sterilizing, spray, agriculture, solution cleaning, painting, ink and dyeing, electronic, food processing, workshops, etc.*packing:20pcs/box,20boxes ... many countries,such as America,Europe,Japan and so on. 4-ply non-woven CE face mask respirator with vavle and activated carbon fabric