R95 Particulate Respirator with Nuisance-Level Acid Gas Relief

R95 Particulate Respirator with Nuisance-Level Acid Gas Relief Particulate Respirator 8246, R95, with Nuisance Level Acid Gas Relief • Lightweight construction • Adjustable nose clip • Meets NIOSH 42 CFR 84 N95 requirements Offers reliable protection against certain oil and non-oil based aerosol particles including sulphur dioxide, hydrogen fluoride and chlorine. Ideal for aluminum smelting, chemical processing, pulp and paper processing. 20 respirators per box. At least 95% filtration efficiency when subjected to a 0.3µm MMAD Sodium Chloride particle challenge.