3M Speedglas Heavy Duty Welding Helmet G5-01 without welding filter, with 3M Adflo High Altitude Powered Air Respirator and carry bag.3M™ Speedglas™ Welding Helmet G5-01 with 3M™ Adflo™ High-Altitude Powered Air Respirator, without welding filter, 617800 can offer eye, face and respiratory protection with a flip-up welding filter in most welding applications. For use with 3M™ Speedglas™ Welding Filter Series G5-01 (sold separately).For respiratory protection and excellent vision in a flip-up model, get 3M™ Speedglas™ Welding Helmet G5-01 system with 3M™ Adflo™ Powered Air Respirator, without welding filter, 617800. Our welding helmet fits with 3M™ Speedglas™ Welding Filter Series G5-01 (passive or auto-darkening), to be ordered separately. The G5-01 helmet has a flip-up welding filter solution with a wide, clear 170 x 104 mm protective visor beneath that’s excellent for precision grinding in low-light conditions. 3M™ Adflo™ High-Altitude Powered Air Respirator comes with self-adjusting QRS breathing tube, prefilter, spark arrestor, particle filter, standard battery, charger and carry bag. Filters for gas protection or odour filtration can be added as needed (sold separately). Each filter can be replaced selectively without changing all filters at the same time.