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, chips, and dust. The 3M™ Lens Cover 7899-100/7899-100-AM is recommended for painting and other spray applications. Replacement part can extend respiratory equipment service life. Disposable accessory to protect lenses from scratches, dust and overspray Replaceable cover easily fits over lens Helps protects investment in respiratory equipment