3M Particulate Filter 3M2071, P95 is NIOSH approved for environments containing certain oil and non-oil based particles. It is designed for use with 3M Respirators 5000 Series, 3M Cartridges 6000 Series with 3M Adapter 502, and 3M 6000 Series, 7000 Series, and FF-400 Series face pieces with bayonet filter holders. When properly fitted, use with appropriate cartridges for various applications such as gridding, sanding and welding for concentrations up to 10 times the Permissible Exposure Limit (PEL) with half face pieces or 50 times PEL with full face pieces with quantitative fit test.