3M™ Drywall sanding respirator used for non-harmful dusts from sanding, grinding, sawing and insulating particles, are NIOSH approved and provide at least 95% filter efficiency against solid and liquid particles that do not contain oil. The M-noseclip feature allows for fewer pressure points on the face and greater comfort while the advanced filter media makes for easier breathing. Easy to use and comfortable, the 3M™ drywall sanding respirator is a great choice in respiratory protection for both the pro and DIYer when working on projects that include sanding, grinding, sawing and insulation.