The Allegro Welding Helmet with EZ Air Max Powered Air Purifying Respirator (PAPR) is a complete particulate system intended for industrial applications where combined respiratory, eye and face protection is required. This welding helmet features a flip-up visor to expose a grind shield below that maintains respiratory protection while workers can continue grinding or inspecting welds. It is a motorized, Lithium-ion battery-operated system that provides a constant supply of fresh, filtered air over the user’s face.