Powered respiratory protection for welders. Lightweight, slim design eliminates external batteries and cables. The polycarbonate face shield has exceptional clarity and a wide viewing area. Meets the high impact test requirements of ANSI Z87.1-2003. Benefits 3M™ Speedglas™ ClearVisor Respirator Headpiece offers eye and face protection for non-welding applications Polycarbonate faceshield has exceptional clarity and a wide viewing area Meets the high impact test requirements of ANSI Z87.1-2003 Battery charges in 3 hours