Suggested applications including select OSHA substance-specific particle exposures in concentrations up to 10 x OSHA PEL (Lead, Cadmium, Arsenic, MDA). Features 3M™ Cool Flow™ Exhalation Valve, comfortable foam faceseal and adjustable straps. Respirators are individually packaged. Do not use for asbestos exposures. Model 8293Q probed respirator is intended for use only for quantitative fit test and not for protection in a contaminated area. Meets NIOSH 42 CFR 84 requirements.