Air Knife High Efficiency General Purpose FNPT Inlet 1/4 In Number of Inlets 4 Air Slot Width 12 In Air Slot Gap 0.002 In Air Consumption 34.8 SCFM Max dBA 72 Stainless Steel Max Temp 800 F Overall Width 12 In Overall Depth 1.44 In Overall Thickness 1.03 In