Square Axial Fan Kit Fan Shape Square Mounting Eye O.C. 3 1/4 in Height 3 5/8 in Depth 1 in Width 3 5/8 in Fan Cord Length 72 in CFM @ 0.000-In. SP 21/21 Watts 15.5/12.3 Voltage 120V AC 50/60 Hz 0.20/0.15 Amps Electrical Connection - Fans Terminals Sound Level 28/28 IP Rating 20 Mounting Position Vertical or Horizontal Bearing Type Ball 2200/2200 RPM Motor Design Shaded Pole Motor Insulation Class A Thermal Protection Impedance Protected Max Ambient Temp 150 Degrees F