3M™ Speedglas™ Helmet 9000 with patented exhaust vents to help reduce stuffiness.  3M™ Speedglas™ 9002X, our top-of-the-line auto-darkening filter offers shades 9 through 13 with shade 3 light state.  Extra large 4.09 in x 2.13 in (104 mm x 54 mm) viewing area.  Handles variety of arc welding processes, including low amp TIG.  Shade 5 Side Windows increase peripheral view.  Four-position sensitivity control.  Adjustable recovery delay.  Solar panel.  SideWindows increase peripheral vision by over 100%.