High volume low speed ceiling fan ideal for industrial settings, provides necessary air movement up to 177,000 CFM. Natural wind turbine exhaust fans and electric motor operated type fans are also available. Circulation, Ventilation, Containment fans for Agricultural, Industrial, Commercial, Residential, Institutional applications (8’-24’ diameter). Energy saving; 1HP motor pushes same volume of air as 7 Nos. of traditional high-speed fans, at 1/3rd of energy cost.