manufacturer : AMETEK manufacturer's number : 115750 specification Motor Type : Series Universal Input Voltage : 120 VAC Frequency : 50/60 Hz Fan Diameter : 5.7 in. No. Fan Stages : 2 Fan System Style : Through-Flow Air Discharge : Operating Temp : 32-104°F Bearing System : Ball/Ball Frame : Skeleton Brush Type : Carbon Inlet Tube Dia. : None RFI Choke : None Speed : 1 additional features Regulatory : UL Recognized, CSA certified Comm Bracket : Aluminium Fan Bracket : Aluminium Thermal Protect : None Insulation Class : Class A Added Bearing Prot. : Fan Shell Coat : None Electrical Conn. : Lead Wires Duty Cycle : Intermittent