Safeguard yourself from airborne illness or injury! NIOSH Approved: N95 At least 95% filtration efficiency against solid and liquid aerosols that do not contain oil., NIOSH Certified FEATURES: 3M Cool Flow Exhalation, Valve Improves Comfort, Longer Lasting, Easy to Talk Through. This respirator features 3M's Advanced Electret Media (AEM) and an adjustable noseclip to help provide a custom fit and secure seal. USE FOR: Solids such as those from processing minerals, coal, iron ore, flour, and certain other substances. Liquid or non-oil based particles from sprays that do not also emit oil aerosols or vapers. Designed for use in grinding, sanding and buffing applications in the automotive aftermarket or wherever you you encounter lose particulants. Lightweight, two-strap filtering facepiece respirators with an adjustable noseclip and new braided headstraps, this respirator helps provide excellent protection.