* Ceiling Sweep Fans is specially designed for residential, commercial ventilation and industrial ventilation, cooling, indoor air circulation applications, e.g. houses, apartments, shops, churches, gym, offices, restaurants, warehouses and school halls, classrooms, etc. * 48””/1200mm and 56”/1400mm for selection. * Full metal construction for vibration free and stable operation. * Well balance designed fan blade gives powerful air velocity in wide coverage area. (CEF1-120B2 & CEF1-140B2 : straight blade shape / CEF1-120B1 & CEF1-140B1 : tilt blade shape)* High performance motors for durable applications and with built-in thermal cut-out for safety operating. * 5-speed control to desired to desired air velocity.