* Tornado Fans is specially designed for residential, commercial and industrial ventilation, cooling, indoor air circulation applications, e.g. houses, apartments, shops, churches, gym, offices, restaurants, warehouses and factories, etc. * Wide size range for selection (8”/200mm, 12”/300mm, 14”/350mm, 16”/400mm, 18”/450mm, 20”/500mm). * Full metal construction for vibration free and stable operation. * Wall mountable ( optional hanging hooks ). * High performance and heavy duty motors for powerful air velocity. * Rolled steel or aluminum blade with well balanced design for smooth and stable operating.. * Adjustable tilt angle. * 3-speed setting provides low-med-high air flow. *the best complementary to air-conditioning in indoor air circulation.