3M™ N95 Particulate Disposable Respirator features patented one way 3M™ Cool Flow™ exhalation valve, M-Nose clip and lightweight construction that offer cooler, dry comfort and a secure fit. It includes an all filter design of 3M™ welding web and its fiber media and protective layers are flame-resistant. It meets NIOSH 42 CFR 84 requirements and is applicable in welding, brazing, soldering, cutting, grinding, sanding, sweeping and bagging. It is sold as 10 per box.