Combined head, face, eye and supplied air respiratory protection for welding applications Comes 3M™ Speedglas™ Welding Helmet 9100 MP, 9100X welding filter and 3M™ Versaflo™ Supplied Air Regulator V-500E Nominal Protection Factor 200 (3B) Meets the EN 379 standard for industrial safety helmets Designed from inception to take one of our optional 3M™ Peltor™ Earmuffs Side windows (shade 5) can help widen the field of vision 3M™ Versaflo™ Supplied Air Regulator V-500E is balanced, belt-worn and easy to adjust with consistent airflow delivery Airflow level adjustable between 170 l/min and 305 l/min Airline supply must be air of breathable quality in order to meet EN 12021 requirements Oil, mist, water vapour or non-toxic and unpleasant odours in the air supply can be removed with air cleaning station, such as 3M™ Aircare™ Filtration System ACU-03 (wall mounted) or ACU-04 (stand-alone)