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, CFM @ 0.000-In. SP 74 cfm, Watts 9.6 W, Voltage 24V DC, - Hz, 0.40 A Amps, Electrical Connection - Fans Lead Wires, Sound Level...