Use this Paint Sanding Respirator for non-harmful dust from sanding, grinding, sawing and insulating particles when you're refinishing floors, refinishing woodwork and repairing a deck. It provides at least 95 percent filter efficiency against solid and liquid particles that do not contain oil. Advanced filter media allows easy breathing. Easy to use, comfortable and lightweight, the respirator is a great choice in respiratory protection for both the pro and do-it-yourselfer. Non-valved respirator also features a disposable half facepiece and is N95 NIOSH approved.