3M 837731 Adflo Motor Unit with HD Li-ion battery, charger, comfort belt, breathing tube, adapter 90 02 - per kit

With the right type of filter, the Adflo mask protects you effectively against particles and gases - complete system.Gas filters are sold as spare parts.Selectively, you can replace the particle or ga s filter as needed: you don't have to change both filters at the same time.The airflow is always at the constant nominal rate of 170 liters per minute, regardless of the battery charge or the particle charge of the filter.For jobs in hot and humid environments, you can increase the airflow to 200 li ters per minute by simply pressing the ON button for the second time.The solid state lithium-ion bat tery fully recharges in 5 hours 30 minutes and has a 12 hour run time.The 3M™ Speedglas™ 9100 Series Welding Helmet takes ADFLO respirator systems to a new level, offering side visors, flip-up functio n, excellent optics and a wide viewing angle.To order a complete welding helmet system, select the c ap first.Adflo air-supplied mask with QRS self-adjusting breathing tube, airflow indicator, pre-filt er, spark arrestor, particulate filter, solid battery, belt and charger