The 3M Speedglas 9100 MP Welding Helmet with Fresh-Air III Cooling Valve can help keep workers cool in hot, humid conditions. Fresh-Air III Cooling Valve can decrease air temperature by up to 50°F (28°C). Available 3M Auto-Darkening Lenses protect eyes from harmful UV light during from MIG, TIG and stick welding.Cool, breathable air This flip-up welding helmet with supplied air cooling valve can help workers in hot, humid conditions. The Fresh-Air III V-100 cooling valve comes with a belt for quick access, allowing welders to control the flow of clean air and lower its temperature. Protection against sparks and spatter A wide, clear faceshield helps protect the face and eyes against grinding debris. Available Auto-Darkening Lens darkens within milliseconds, designed to protect the eyes throughout the weld process. Flip-up weld shield The flip-up 9100 MP Series welding shield allows for quick transition between welding and non-welding tasks and, when purchased with an Auto-Derkening Lens, helps keep the eyes safe from the intense light of MIG, TIG, and stick welding while providing an accurate view of the workspace, before during and after the weld.