Pack of five replacement inside cover lenses to suit the 3M Speedglas Welding helmets 9100XX, 9100XXi, G5-03VC, G5-03TW, G5-01VC and G5-01TW auto-darkening filters. 
 
Inside cover lenses protect the inside of the 9100XX, 9100XXi or G5-01, G5-03 welding lens from scratches, sweat, wear & tear
Inside protection plates are essential for the care & maintenance of your Speedglas™ welding helmet
Recommended replacement time is once a month depending on use
Inner cover lens dimensions 117 x 77mm.