1. Wheel DiameterÂ
  300 ~ 1,200mm
2. Air volume
  60 ~ 7,000 �/min
3. Out velocity
 8~25m/s
 4. Pressure
 20 ~ 180 mmAq
5. Characteristic
 - Light weight using plastic of high strength glass fiber material
6. Easy handling
 - The variable-wing structure allows great wind control with high efficiency and volume adjustment Â
   over a wide range of wings.
 - Ventilation through ducts of the tunnel building, factory and so forth.
 - Cooling and drying of an apparatus.