3M™ Lens Cover, 7899 100 7899 100 AM, white, 100 case Disposable Mask 67 mm L Contoured T shape 67 mm L Contoured T shape for easy handling and wear Ideal size for workers with smaller ear canals Low pressure polyurethane foam expands gently for comfortable long term wear Optional style with attached cotton cord and paper bag packaging suitable for pulp and paper and other process industries with zero tolerance for packaging waste requirements Smooth it ensures you stay just the right warmth during those cool outdoor nights The 3M™ Lens Cover 7899 100 7899 100 AM is designed for use with the 3M™ Full Facepiece Reusable Respirator 7000 Series to help protect the lens from scratches The 3M™ Lens Cover 7899 100 7899 100 AM is recommended for painting and other spray applications