* Super Blow Portable Drum Fans is designed for residential, commercial and industrial ventilation, cooling, indoor circulation applications in shops, gym, offices, warehouses and factory, dairy farms, stadium, shaded playground, poolside, etc. * Wide range of sizes for different application requirement 12”/300mm, 16”/400mm, 18”/450mm, 20”/500mm, 24”/600mm, 30”/750mm, 36”/900mm. * FE6-60D, FE6-75D, FE6-90D3 are with Totally Enclosed Motor fro dust proof for tough operating environment. * FE-30D, FE-40D, FE-60D, FE-75D, FE-90D3 are with Open Motor for general indoor application. * Easy-to carry Handle & Wheels / Wheels on Castor * Aluminum impellers are well balanced and with powerful pitch angle design for high velocity. * Adjustable tile angle ( except FE-90D3). * 3-speed controller.