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3M Disposable Respirator 1860, N95, NISOH Approved N95 Rating, FDA Cleared for use as a surgical mask, Fluid Resistance 80mmHg, Flammability Rating Class I, Adjustable Nose Clip, Braided and Stapled Headbands, Particulate Respirator and Surgical Mask, Bacterial Filtration Efficiency F2101 > 99% BFE. BX/20pcs, CASE/120pcs (6 boxes) Ìý