3M N95 Particulate Disposable Respirator features patented advanced electric Media, 3M Cool Flow Exhalation Valve, adjustable straps, conformable face seal and cake resistant filter material. It meets NIOSH 42 CFR 84 requirements and reduces potential for eyewear fogging. It is lightweight and is applicable in welding, brazing, soldering, torch cutting, metal pouring, grinding, sanding, sweeping, bagging, other dusty or hot operations. It is sold as 10 per box. Do not use for gases and vapors, including those present in paint spraying operations, oil aerosols, asbestos or sandblasting.