.00. The ArcOne Universal Dioteper/Magnifying Lens will replace your 2x4" rear cover plate, and is compatible with vertical and horizontal mounts for any manufacturer's 5x4" or 4x5" welding helmets.
Choose ArcOne's large Super Singles 2 x 4 inch single shade ADF lenss, now available with HD technology Can be retrofitted to most 2 x 4 welding helmets.