The 3M TEKK Protection Sanding and Fiberglass Respirator provides at least 95% filter efficiency against solid and liquid particles that do not contain oil. 3M TEKK Protection Disposable Respirators are designed for exceptional comfort and ease of use. Choose the 3M TEKK Protection Sanding and Fiberglass Respirator because it helps provide relief from non-harmful dust particles, helps protect against non-harmful dust particles, and is lightweight and comfortable to wear. Applications - Use for non-harmful dusts related to: Sanding, Grinding, Sawing, Certain insulating particles.