Specifications: ?Conforms to European EN149:2001 FFP2 standards with CE 0086 marking. BSI CE Certificate number 70730. ?With collapse resistant double shell construction made to withstand hot and humid conditions. ?Low breathing resistance for increas ed wearer comfort. Fringe seal avoids open layer around the edges. ?Latex-free head straps, adjustable nose clip and soft foam nosepiece for comfortable custom fit. ?Exhalation valve reduces hot air buildup and easy breath in hot/humid environments. ?C overed with active carbon (OV) pre-filter against nuisance organic vapors below OEL.