This cartridge/filter is NIOSH approved and provides the highest level of protection against oil and non-oil based particles. Use with 3M™ half and full facepiece 6000 series, half facepiece 7500 series and full facepiece 7000 series with bayonet filter holders. When properly fitted, use in a variety of applications including welding, brazing torch cutting, metal pouring, soldering and exposure to lead, asbestos, cadmium, arsenic, MDA and HF for concentrations up to 10 times the Permissible Exposure Limit (PEL) with half facepieces or 50 times PEL with full facepieces. This filter also provides nuisance level protection against OV and AG exposures.