Inside cover lens, suitable for Optrel Sphere Series welding helmets (set of 5). The inside cover lens is light and resistant to impact, designed to protect the filter plate from damage during welding operation.
1.0 Shade
This lens will take your Sphere/Expert Series hood one shade darker.
Blue 1.0 Shade
The blue 1.0 shade lens will take your Sphere/Expert Series hood one shade darker.
Green 2.0 Shade
The Green 2.0 shade lens will take your Sphere/Expert Series hood two shades darker.