3M N95 Particulate Disposable Respirator is NIOSH approved N95 to have at least 95% filtration efficiency against solid and liquid aerosols that do not contain oil. It features 3M Cool Flow exhalation valve that reduces heat build up inside the respirator to help keep the wearer more comfortable, lightweight construction, adjustable nose clip and cushioning nose foam for a custom fit with secure seal. It meets NIOSH 42 CFR 84 requirements and reduces the potential for eyewear fogging. The respirator incorporates 3M proprietary technology with advanced electro statically charged microfiber filter media. It helps to promote greater worker acceptance and may help increase wear time. It is applicable in grinding, bagging, sweeping, sanding woodworking, foundries and other dusty 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.