Standard Square Axial Fan, Fan Shape Square, Mounting Eye O.C. 2 13/16 in, Height 3 1/8 in, Depth 1 1/2 in, Width 3 1/8 in, Fan Cord Length 1 ft, CFM @ 0.000-In. SP 25/28, Watts 9/7, Voltage 115V AC, 50/60 Hz, 0.12/0.10 Amps, Electrical Connection - Fans Lead Wires, Sound Level 34/37, IP Rating IP33, Air Flow 25/28 cfm, Mounting Position Vertical or Horizontal, Bearing Type Ball, 2600/2950 RPM, Motor Design Shaded Pole, Motor Insulation Class A, Max. Ambient Temp. 176 Degrees F