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 Watts 16 Voltage 120V AC 60 Hz 0.20 Amps Electrical Connection - Fans Terminals Sound Level 50 IP Rating IP33 Air Flow 99 cfm Mounting Position Horizontal Bearing Type Sleeve 3000 RPM Motor Design Shaded Pole Motor Insulation Class A Max Ambient Temp 158 Degrees F Blade Material PBT Plastic