3M Speedglas Fresh-Air III Supplied Air System with V-100 Vortex Air-Cooling valve and 3M Speedglas Welding Helmet 9100-Air 25-5702-20SW

25-5702-20SW, with SideWindows and Auto-Darkening Filter 9100X, Shades 5, 8-13, 1/Case. Supplied air respiratory protection system. Includes V-100 Vortex air-cooling valve and complete 3M(TM) Speedglas(TM) Welding Helmet 9100-Air with adjustable head suspension, increased peripheral vision, excellent optical quality and function.