Meets the NIOSH 42 CFR 84 regulations for N95 particulate respirators for protection from exposure to dusts, metal fumes, microorganisms, and non-oil containing mists. At least 95% filtration efficiency when subjected to a 0.3µm MMAD Sodium Chloride particle challenge. Respirator Type: N\A; Rating: N95; Resistance: N\A; Size: N\A.