N95 Particulate Respirators 3M? Cool Flow? Exhalation Valve is a patented one-way valve offering easy exhalation for cool, dry comfortCake-resistant filter mediaBuckle adjustable straps provide a comfortable, secure fit with a single tugWelding web is a unique filter media and protective layers are designed to be flame resistant as demonstrated per ASTM D2859.96. Not a substitute for a faceshield Adjustable noseclip provides a custom fit, secure seal, and reduces the potential for eyewear foggingRecommended for welding where ozone and nuisance level organic vapors may be present Filtration Grade N95Protected Area Half FacepieceResistance Non-Oil ParticulatesSuspension Adjustable StrapUsage Welding, Torch Cutting, Brazing, Soldering, Metal Pouring, Stainless, Galvanized, AluminumQuantity 10 per boxWt. 1.05 lb