Standard Round Axial Fan Fan Shape Round Mounting Eye O.C. 9 11/16 in Diameter 10 in Depth 3 1/2 in CFM @ 0.000-In. SP 800/870 Watts 88/120 Voltage 115V AC 60/50 Hz 1.1/0.83 Amps Electrical Connection - Fans Terminals Sound Level 70/68 IP Rating IP20 Mounting Position Vertical or Horizontal Bearing Type Ball 2900/2600 RPM Motor Design PSC Motor Insulation Class A Thermal Protection Auto Max Ambient Temp 158 Degrees F Blade Material Polybutylene Housing Material Aluminum