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2500N95 Particulate Respirator Plus Nuisance Levels of Acid Gas Irritants. Added carbon layer helps to filter nuisance levels of acid gas irritants (less than OSHA PEL). Exhale valve reduces hot air buildup to keep workers cooler. Dura-Mesh shell resists collapsing even in hot, humid work environments. Contour molded nose bridge with soft foam nose flange provides all-day comfort. Softspun lining increases comfort and durability. Flame retardants are added to the shell to help decrease flammability. NIOSH certified to have a filter efficiency of 95% or greater against particulates free of oil. Applications: Hot, humid and dusty environments such as welding, soldering and brazing, grinding, sanding, sweeping, bagging, stone quarrying, metal machining, cement, underground mining, polishing, buffing, lime, poultry and textiles. Aluminum, copper, zinc, brass, bronze smelters, glass etching, paper mills, breweries, fertilizer production, ceramic and clay processing, and chemical processing. No oils present. 10 masks per bag.
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