ArcOne's New Xtreme Auto-Darkening filters have an UNBELIEVABLE 40% LARGER viewing area than any other auto-darkening filter on the market today. A specialized TIG filter with an additional MIG/Stick mode and build-in sensitivity and delay. FOUR factory tuned independent sensors located in all four quadrants of the filter provide maximum arc detection so the filter will stay dark as needed and minimize any chance of total sensor block. Comes with a power off mode specifically designed to maintain the light state when grinding. SPECIAL ORDER. FREE SHIPPING.