3M Sanding and fiberglass respirator, used for non-harmful dusts from sanding, grinding, sawing and insulating particles, is designed to be comfortable and easy to use. 3M Sanding and fiberglass respirator features proprietary filter technology for easier breathing and an adjustable nose clip that helps reduce eye protection fogging, helps ensure a better seal around the face area and gives the user a snug fit. With a 95% filter efficiency against solid and liquid particles that do not contain oil, the 3M sanding and fiberglass respirator is a great choice in respiratory protection for both the pro and the DIYer when working on projects that include sanding, grinding, sawing and insulation.