NIOSH-approved as an N95 Particulate Respirator. Recommended for: sanding wood/plastic/metal, cutting concrete/bricks, installing fiberglass, sanding drywall. U.S.A. Respirator Type: Disposable, NIOSH Approved: Yes, Filter Rating: N95, Exhalation Valve: No, Adjustable Strap: No, Filter Included: N/A, Masks Included (qty.): 20