Antra Auto Darkening Welding Helmet 10-Pack Inner Interior Cover Lens APX-860-9908 Fits 8XX AntFi X60-8 Filters AH7-860-XXXX To make your helmet more comfortable for welding, the lens covers should be replaced when needed. Protect inside surface of the auto darkening lens from scratches ,burn or other damages, prolong auto lens life Exact fits AH7-860, X30P series large widow welding helmets Size 101.5X91.5mm / 4.0X3.6" Remove film on the surface before it is applied on the helmet