230 Volt AC 172x150mm Tubeaxial Fan Specifications Voltage: 220 to 240 volts AC Size (L x W x D): 172 mm X 150 mm X 51 mm (6.77" x 5.9" x 2") Air flow: 250/293 CFM Bearing type: Ball bearing Current: 200/220 mA Power: 46/50 watts Agency approvals: UL, CUL, TUV, CE Noise: 56/61 dBA Connections: Terminals Motor: Capacitor run induction motor Impeller material: Non-metallic Operating temperature: -10C to 65C