Square Axial Fan Kit Fan Shape Square Mounting Eye O.C. 2 13/16 in Height 3 1/8 in Depth 1 in Width 3 1/8 in Fan Cord Length 72 in CFM @ 0.000-In. SP 16/20 Watts 15.5/12.3 Voltage 120V AC 50/60 Hz 0.20/0.14 Amps Electrical Connection - Fans Terminals Sound Level 33/36 IP Rating 20 Mounting Position Vertical or Horizontal Bearing Type Ball 2600/3100 RPM Motor Design Shaded Pole Motor Insulation Class A Thermal Protection Impedance Protected Max Ambient Temp 150 Degrees F