The 3M Adflo Powered Air Purifying Respirator with 3M Speedglas 9100 FX-Air Welding Helmet is a high-efficiency particulate respiratory protection system for welders. This system has an ergonomic, adjustable head suspension and a flip-up welding shield that allows for a clear, wide view for non-welding situations.The 3M Adflo Powered Air Purifying Respirator has a particulate filter that can be 'stacked' onto an optional 3M Adflo Gas Filter (not included) for additional protection against certain gases and vapors. Additionally, this system has audible and visual alarms that signal low airflow and low battery charge, helping to keep the wearer safe. Equip the 3M Adflo Powered Air Purifying Respirator with 3M Speedglas 9100 FX-Air Welding Helmet for robust protection in grinding and welding applications.