Wet-Location Square Axial Fan Fan Shape Square Mounting Eye O.C. 1 31/32 in Height 2 23/64 in Depth 63/64 in Width 2 23/64 in CFM @ 0.000-In. SP 25.3 Watts 2.1 Voltage 24V DC Electrical Connection - Fans Lead Wires Sound Level 37 IP Rating IP68 Mounting Position Vertical or Horizontal Bearing Type Ball 5600 RPM Motor Insulation Class E Thermal Protection Impedance Max Ambient Temp 158 Degrees F Blade Material PA Plastic Housing Material PBT Plastic Requires Hard Wiring