This respirator provides reliable worker protection against certain oil and non-oil based aerosols including those with nuisance levels of acid gases such as sulfur dioxide, hydrogen fluoride, and chlorine

Caution: All 3M™ products must be used in accordance with OSHA regulations and the user instructions, warnings, and limitations accompanying each product.

(Nuisance level acid gas refers to concentrations not exceeding the OSHA PEL or applicable government occupational exposure limits, whichever is lower.) If oil aerosols are present, time use may be limited to 8 hours of continuous or intermittent use. Minumum filtration efficiency is 95%.