3M™ Cartridge/Filter 7093C/37173 (AAD), Hydrogen Flouride, P100 with Nuisance Level Organic Vapor and Acid Gas Relief when properly fitted on 3M™ Half and Full Facepiece Respirators 6000 Series, Half Facepiece Respirator 7500 Series and Full Facepiece Respirator 7800 Series with bayonet filter holders, use in 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.