3M Particulate Filter 5N11 N95 Respiratory Protection NIOSH approved for environments containing certain non-oil based particles Use with 3Mâ„¢ Respirators 5000 Series or 3Mâ„¢ Cartridges 6000 Series or 3Mâ„¢ Filter Adapter 603, and 3Mâ„¢ Filter Retainer 501