24VDC- 11in Marine Axial Fan - Glass Filled Nylon Shroud - Vibration Free Operation - Enclosed Double Shielded Bail Bearing Motor with O-Ring Seals - Reversible Blade for Pusher or Puller Fan - 5 Blade Glass Filled Nyulon Hub - Free Air Flows to 1424 CFM - CE Marked and Conforms to SAE J1171, ISO 8846, ISO 9097