Standard Square Axial Fan, Square, 115V AC, 1 Phase, Fiberglass Reinforced Polyester, 4 11/16 in W.Standard Square Axial Fan, Fan Shape Square, Mounting Eye O. C. 4 1 8 in, Height 4 11 16 in, Depth 1 1 2 in, Width 4 11 16 in, CFM @ 0. 000 In. SP 103 cfm, Watts 4. 4 W, Voltage 115V AC, 50 60 Hz Hz, 0. 082 A Amps, Electrical Connection Fans Terminals, Sound Level 42, IP Rating IP20, Mounting Position Universal, Bearing Type Ball, 3300 RPM RPM, Motor Insulation Class E, Thermal Protection Electronic, Max. Ambient Temp. 167 Degrees F, Blade Material