The 3M™ Particulate Filter 2091, P100 helps filter out airborne particles while you're sanding and scraping, woodworking, or removing mold or lead-based paints. WARNING: Workplace/Occupational Applications: Use under a government-compliant respiratory protection program (e.g., OSHA). This respirator helps protect against certain airborne contaminants. Misuse may result in sickness or death. For correct use, consult supervisor and User Instructions, or call 3M in USA at 1-800-243-4630. In Canada, call 1-800-267-4414.