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Air Flow Model:    EA-401i
4" Blade - Straight
Frame Thk: 2"X2"X1/4"
Blade Thk: .081" thk.
Blade Sp: 5"
Free Area: 50%
Water Pen @ .01 oz: 780 FPM
Pressure Drop: 1010
  Div10
Inverted 45 deg angle straight blade design ideal for concealing mechanical equipment.