Wet-Location 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 99 Watts 5.6 Voltage 24V DC Electrical Connection - Fans Lead Wires Sound Level 49 IP Rating IP68 Mounting Position Vertical or Horizontal Bearing Type Ball 3200 RPM Motor Insulation Class E Thermal Protection Impedance Max Ambient Temp 167 Degrees F Blade Material PA Plastic Housing Material Cast Aluminum Requires Hard Wiring