Chemical absorbent removes odors. Lightweight construction and contoured fit enhance comfort and wear-time. Easy to breathe through even without an exhalation valve. Provides relief from latex paint odor, unpleasant smog levels and non-hazardous household odors. Do not use for asbestos, gasses, vapors above the government permissible exposure limits or sandblasting. Meets NIOSH 42 CFR 84 N95 requirements.