Wet-Location Square Axial Fan, Fan Shape Square, Mounting Eye O.C. 3 1/4 in, Height 3 5/8 in, Depth 1 1/4 in, Width 3 5/8 in, CFM @ 0.000-In. SP 47.1 cfm, Watts 5.0 W, Voltage 24V DC, Electrical Connection – Fans Lead Wires, Sound Level 47, IP Rating IP68, Mounting Position Vertical or Horizontal, Bearing Type Ball, 4000 RPM RPM, Motor Insulation Class E, Thermal Protection Impedance, Max. Ambient Temp. 167 Degrees F, Blade Material PA Plastic, Housing Material PBT Plastic, Requires Hard Wiring