High heat resistant outside cover lenses (Part Number: 777070) for your 3M Speedglas 100 welding helmet for high amperage, high heat applications. Rated to 205 degrees Vs the standard cover lens rated to 140 degrees. Comes in a pack of 10.
Suggested Change Frequency:
- Outside Cover Lens = Once to twice a week.
US Part Number: 07-0200-53