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, Fan Cord Length No Cord, CFM @ 0.000-In. SP 99 cfm, Watts 16 W, Voltage 120V AC, 60 Hz Hz, 0.20 A Amps, Electrical Connection - Fans Terminals, Sound Level 50, IP Rating IP33, Air Flow 99 cfm, Mounting Position Horizontal, Bearing Type Sleeve, 3000 RPM RPM, Motor Design Shaded Pole, Motor Insulation Class A, Max. Ambient Temp. 158 Degrees F, Blade Material PBT Plastic