Supply of 3 M Tm L Series Helmet With Vortex Cooling Air Line System Consists Of %B7 3M Tm L-905-Helmet With Welding And Face Shield-1 No., %B7 3M Tm Breathing Tube L-122. Qty-1No. %B 7 3M Tm Vortex Cooling Assembly V-100.-Qty.1 No., %B7 3M Tm Air Line Hosew-9435-50Ft Length%U 2013Qty 1 No. Make : 3M, Usa Or Substantially Equivalent Complying All The Above Parameters.