To make your helmet more comfortable for welding, the lens covers should be replaced when needed.;Make sure you tear off plastic cover on surface on both sides before you install it on the helmet.;Fits model ath-42xx or ah4 series helmets like ath-4214a ah4-220-219a also ah7-860-0000;Size 121x137.5mm / 4.76x5.41;Remove film on the surface before it is applied on the helmet

• Antra Auto Darkening Welding Helmet 10 Outside Exterior Cover Lens AP4-XXX-9907 Fits AH4 or ATH-42XX Series? Also Fit AH7-860 series helmets

Antra Auto Darkening Welding Helmet 10 Outside Exterior Cover Lens AP4-XXX-9907 Fits AH4 or ATH-42XX Series? Also Fit AH7-860 series helmetsAntra