SH9-13 ADF Replacement Lens, Polycarbonate, Blue

Features : With variable shades from 9 to 12, this replacement cartridge has sensitivity and delay adjustments with a full digital operation and weld/grind control | Adapts to the vast working environments with the ability to control the shade of the lens and adjustments for sensitivity from ambient lighting sources | The replacement ADF filter cartridge is battery and solar operated and built with four independent sensors positioned to reduce possibility of blockage during welding