SK Air duct, for side air flow, 2 U, depth-variable 275 - 418 mm, sheet steel, RAL 9005, Air Duct For lateral air routing, Carbon steel, Spray-finished, RAL 9005, Air Duct Adapter for fastening to 19" profile rails Magnetic strip for covering the remaining vertical openings in the air baffle plate, 73269098, 1 pc(s), 3.417 lbs, 4028177716612, For the supply of cold air to switches with lateral air intake.