NIOSH approved. Recommended for: sanding wood/plastic/metal, cutting concrete/bricks, installing fiberglass, sanding drywall. Two exhalation valves for easy breathing.Respirator Type :Reusable . NIOSH Approved :Yes . Filter Rating :N95 . Exhalation Valve :Yes . Adjustable Strap :Yes . Filter Included :Yes . Masks Included :1 qty. Soft rubber facepiece. Replaceable N95 filter. Recommended for protection against non-oil containing dust fumes and mists.