3M Speedglas 9100FX Welding shield with 9100V welding filter, suitable for all welding applications, MMAW, MIG, MAG, TIG, Plasma, Tack welding, Grinding, with flip-up auto-darkening filter, large 170x100mm clear visor with good peripheral vision, seven variable dark shades 5,8,9-13, with a switching light to dark time of 0.1ms. Adjustable sensitivity of arc detection. Exhaled air channelled out via side exhaust vent. Three arc detection sensors, available in a range of filter sizes.