Pack of ten hard-coated replacement outside cover lenses to suit the 3M Speedglas Welding Helmet Series 9100.
Essential for the care & maintenance of your 3M Speedglas 9100 welding helmet
Protects the outside of your Speedglas 9100XXi welding lens from sparks and splatter
Scratch-resistant hard coating for increased protection and durability
Last around twice as long as standard outside cover lenses
Replace once a week depending on use.