3M Speedglas welding helmet 9100 FX-Air, with welding filter 9100XXi and 3M Adflo Powered Air Respirator, 547726 offers eye, face and respiratory protection in a flip-up welding filter combined with a big (170mm x 100mm), clear protective visor. For respiratory protection and excellent vision in a flip-up model, get 3M Speedglas welding helmet 9100 FX Air, with welding filter and 3M Adflo Powered Air Respirator, 547726. 3M Speedglas Welding Filter Series 9100 continues tradition of outstanding optical quality, including uniform shading and minimal distortion across the entire filter viewing area. The welding filter 9100XXi has seven variable dark shades (5, 8 and 9-13) for most types of arc welding and a viewing area of 73mm x 107mm, made for the professional welder. The welding helmet features side windows (shade 5 filters) can help widen field of vision when wearing the helmet in the down position. The filter has 3M Speedglas Natural Colour Technology which gives you high contrast and more natural-looking colours. A delay function sets the welding filter dark-to-light opening time and the sensitivity of the arc detection can be adjusted for reliable switching. 3M Adflo Powered Air Respirator comes with self-adjusting QRS breathing tube, prefilter, spark arrestor, particle filter, standard battery and charger. Filters for gas protection or odour filtration can be added as needed (sold separately). Each filter can be selectively without changing all filters at the same time. The slim profile and ergonomic design make it even more lightweight and easier to get into tight welding spaces. When using the Adflo respirator with gas filter we recommend using the breathing tube with silencer (834009) and the heavy-duty battery (837631).