Square Axial Fan Kit Fan Shape Square Mounting Eye O.C. 4 1/8 in Height 4 3/4 in Depth 1 in Width 4 3/4 in Fan Cord Length 72 in CFM @ 0.000-In. SP 55/51 Watts 16/13 Voltage 120V AC 50/60 Hz 0.20/0.15 Amps Electrical Connection - Fans Terminals Sound Level 32/31 IP Rating 20 Mounting Position Vertical or Horizontal Bearing Type Ball 2000/1900 RPM Motor Design Shaded Pole Motor Insulation Class A Thermal Protection Impedance Protected Max Ambient Temp 150 Degrees F