For those engaged in welding, the Weldmark Filter Lens Shade 8 offers exceptional protection against harmful ultraviolet and infrared rays, ensuring safety in demanding environments. Designed to fit standard welding helmets and goggles, this rectangular lens measures 4.25 inches in width and 2 inches in height, crafted from heat-treated, hardened glass that is both optically correct and durable. With a thickness of 0.125 inches and smooth rounded edges, it not only meets the rigorous standards set by GGG-H-211D and ANSI Z87.1 for IR/UV protection but also provides a reliable choice for various amperage welding applications. Ideal for professionals seeking quality and safety, this filter lens is a crucial component for effective eye protection in welding tasks.