Features:NIOSH approved for at least 95 percent filtration efficiency against certain non-oil based particlesM-Noseclip adjusts easily for fewer pressure points and greater comfortFeatures the 3M™ Cool Flow™ ValveBraided headbands two-strap design with dual point attachment helps provide a secure sealSpacious and durableAdvanced Electret Media is designed for ease of breathingThis disposable N95 particulate respirator features the proprietary 3M Cool Flow Valve and helps provide comfortable, reliable worker respiratory protection. It is ideally suited for hot/dusty work settings that require long periods of wear.3M™ Particulate Respirator 8511, N95 is a disposable particulate respirator that is designed to help provide reliable respiratory protection of at least 95 percent filtration efficiency against certain non oil-based particles. This respirator is designed for use to help reduce exposure to certain airborne particulates such as coal, silica, iron ore, metal, wood, biological and certain other particles, and liquid or non-oil based particles from sprays that do not also emit oil aerosols or vapors. The respirator incorporates 3M's proprietary technology with advanced electrostatically charged microfiber filter media designed for ease of breathing.Soft inner material provides added comfort while the cup-shape design makes the respirator spacious and durable. Braided headbands and an adjustable M noseclip helps provide a custom and secure seal. The respirator incorporates 3M's proprietary technology with advanced electrostatically charged microfiber filter media designed for ease of breathing. This respirator is compatible with a variety of protective eyewear and hearing protection. Fitted with a 3M™ Cool Flow™ Exhalation Valve, this respirator is suitable for physically demanding environments.