Replacement cartridge for Vangard Weldstone electronic welding masks (ADWH-700).
Auto-darkening technology: as soon as the sensors detect infrared light, the photosensitive electronic shutter darkens the lens; it returns to a clear state when the light disappears.
In harsh environments, masks can suffer damage, wear, impacts, or drops that deteriorate the cartridge. Replacing the cartridge is an excellent way to extend the life of your masks.