3M Speedglas G5-01 Heavy Duty Welding Helmet with 3M with V-100 Vortex Cooling Valve Assembly and carry bag.The 3M Speedglas G5-01 Heavy Duty Welding Helmet with 3M V-100 Vortex Cooling Valve Assembly is a complete Supplied Air (SA) Respiratory Assembly with Speedglas G5-01 Heavy-Duty Welding Helmet. The system provides High-Efficiency particulate respiratory protection for welders in a lightweight, compact design with ergonomic, adjustable head suspension. Flip front welding shield allows for a clear, wide-view protective visor for grinding and setup. Assembly contains the Vortex air-cooling valve, versatile Versaflo Premium Belt Holder, rugged leather belt, breathing tube, and complete Speedglas G5-01 helmet assembly. This lightweight belt-mounted valve permits welders to lower the temperature of air entering headpiece by up to 50°F; designed for hot, strenuous jobs. G5 Series storage/carry bag included.