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 45 cfm, Watts 9.2 W, Voltage 24V DC, - Hz, 0.383 A Amps, Electrical Connection - Fans Lead Wires, Sound...