Axial Fan, Fan Shape Square, Mounting Eye O.C. - Fans 1-15/16 In., Fan Height 2-3/8 In., Fan Width 2-3/8 In., Fan Depth 1 In., CFM @ 0.000-In. SP 31.5, Fan Voltage 24VDC, Fan Watts 3.1, Electrical Connection - Fans 12 In. Leads, Fan dBA 41, Bearings Zero Friction Air, Hz -, Phase -, Amps 0.13, Fan RPM 6100, Depth 1 In., Mounting Position Vertical or Horizontal, Blade Material Polybutylene, Housing Material PBT Plastic, Housing Finish Black Painted