The Optrel K5811 Welding Front Cover Lens Assembly is a replacement front cover lens for Optrel welding helmets, designed to fit the Optrel 5000.105 model. As the outer layer of the viewing window, it protects the internal filter lens from sparks, spatter, and environmental debris while you weld. Part number K5811, this front cover lens assembly is used to replace a worn or damaged cover on compatible Optrel equipment.
