safety face mask (1)with CE certificate (2)Filtration efficiency > 94% (3 ... pad and four earsWelded strap helps to fit for most face sizes and head shapes, helps to ensure secure seal ... Various mask can be supply,including face mask,Anti-Flu mask,disposable mask,non-woven face mask,particulate resirator.**Quality control. ... countries,such as America,Europe,Japan and so on. safety face mask with valve