This mask will reduce, but not eliminate the inhalation of contaminants, and is not suitable for the use against toxic or hazardous air contaminants such as but not limited to paint spray mists, asbestos, silica, cotton or other toxic dusts, fumes, gases and vapors. It is the responsibility of the user to determine the suitability of this mask for their application. If there is any doubt as to the applicability of this mask, please consult an industrial. Mask in not NIOSH approved.