Check the listing for details. 3M 5N11 Authentic Filter, 10 EACH PER BOX - FREE SHIPPING!!!. Condition: New. Listed at 20.95 USD. 3M #5N11N95 PARTICULATE FILTER 10 FILTERS PER BOX FREE SHIPPING!!! The 3M™ Particulate Filter 5N11, N95 helps provide respiratory protection in environments containing certain non-oil based particles. When properly fitted, use with appropriate cartridges for various applications including spray painting, petrochemical and chemical manufacturing, and pesticide spraying for concentrations up to 10 times the Permissible Exposure Limit (PEL) with half facepieces, or 50 times PEL with quantitatively fit tested full facepieces. The filter protects against: 1) solids such as those from processing minerals, coal, iron ore, cotton, flour, and certain other substances; 2) liquids or oil based particles from sprays that do not emit harmful vapors; and 3) metal fumes produced from welding, brazing, cutting, and other operations involving heating of metals. For use with: 5000, 6000, 6500, 7000, 7500, 7800S, FF-400 series respirators.