You don't have to spend a fortune to breathe clean, pure air while welding. This system is worn comfortably around the waist and works up to 8 hours on a battery pack charge. It feeds fresh temperate air into the helmet to protect against harmful gases and vapors. The perfect answer for those hot humid days. It is fully adjustable and comes apart and re-assembles easily. Air duct is angled so air doesn't blow directly into face. Auto-Dark helmets allows you to vary the welding shade from 9-12 even while welding using a dial on the outside of the helmet! The lens has two independent sensors and dark to light delay. Systems include: Lightweight Variable Shade Auto-Dark Helmet, air duct assembly, Reusable Comfa-Seal face seal, three filter media HEPA filter, Blower unit w/air-flow indicator, 8 hour shift battery (ni-cad), battery charger breathing tube w/quick bayonet connector, adjustable lightweight nylon belt, carrying case. Supplies 6 cu. ft. (170 liters) per min., hose length 29.5 in.(750mm). |