Pack of ten replacement high heat-resistant outside cover lenses to suit the 3M Speedglas 100 welding helmets.
Essential for the care & maintenance of your 3M Speedglas 100 welding helmet.
High heat-resistant coating for high amperage, high heat applications .
Rated to 205 degrees Vs the standard cover lens rated to 140 degrees.
Replace once to twice a week depending on use.