SYF26W INDUSTRIAL WALL FAN 2 BLADE - 230W Airflow (m3 /H) : 205m3/minBlades: 2 BladesMaterial: MetalInput Voltage: AC220V-50HZPower: 230WRPM: 1400 MaxDiameter: Ø720mm MUST BE INSTALLED BY A QUALIFIED ELECTRICIAN. Download Specsheet Instruction Manual