N100 Particulate RespiratorLightweight construction. Adjustable nose clip. Meets NIOSH 42 CFR 84 N95 requirements. Well-suited for lead abatement, pharmaceutical manufacturing, welding and other work involving substance specific regulated particles (lead, cadmium, arsenic). Not for use with asbestos. At least 95% filtration efficiency when subjected to a 0.3µm MMAD Sodium Chloride particle challenge. Respirator Type: Half-Face Mask; Rating: N95.