NIOSH Items: We only sell brand new respirators, filters, and dust masks from US based manufacturers. Since it can be difficult to determine if a respirator or mask has been used or even just tried on, for the protection of our customers, we do not accept NIOSH returns.
The 3M 5N11 Prefilter is a N95 filter for use with a 501 filter retainer. N95 filters are for use with toxic dusts or mists containing no oil. They are most often used as a prefilter for non-oil based paints or pesticides. Sold in boxes of 10.
Applications: Construction, Design & Construction, Facility Sanitation, Food Processing, Food Safety, General Manufacturing, Heavy Industrial, Industrial Maintenance, Marine, Metal Production & Fabrication, Mining, Oil & Gas, Pharmaceutical, Transportation