3Mª N95 Particulate Disposable Respirator features lightweight construction for greater worker comfort and adjustable nose clip helps provide a custom fit and secure seal. Technologies include Cool Flowª exhalation valve, advanced electrets media, cake resistant filter media and buckle adjustable straps. It is lightweight, economical protection and includes no spare parts to clean and maintain. It meets NIOSH 42 CFR 84 requirement and reduces potential for eyewear fogging. It is applicable in welding. brazing, soldering, torch cutting, metal pouring, grinding, sanding, sweeping, bagging and 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.