Wet-Location Round Axial Fan, Fan Shape Round, Mounting Eye O.C. 9 5/16 in, Diameter 9 7/8 in, Depth 3 1/8 in, CFM @ 0.000-In. SP 271 cfm, Watts 31 W, Voltage 115V AC, 50/60 Hz Hz, 0.48 A Amps, Electrical Connection - Fans Lead Wires, Sound Level 55, IP Rating IP55, Mounting Position Vertical or Horizontal, Bearing Type Ball, 2100 RPM RPM, Motor Insulation Class B, Thermal Protection Thermally Protected, Max. Ambient Temp. 122 Degrees F, Blade Material Fiberglass Reinforced Plastic PA