3M Speedglas Fresh-Air III Supplied Air System with V-100 Vortex Air-Cooling valve and Speedglas Welding Helmet 9100 FX-Air, 26-5702-30SW/37265(AAD) with SideWindows and Auto-Darkening Filter 9100XX, Shades 5, 8-13
Welding respiratory protection system featuring the V-100 cool-air valve. Lightweight belt-mounted valve permits welders to lower temperature of air entering headpiece by up to 50°F (28°C), ideal for hot, strenuous jobs.