The XPOWER X-12 is the only 12 inch. diameter industrial confined space ventilator fan with a variable speed control switch in the air mover market. Featuring a low amp draw and powerful sealed motor, the X-12 blower delivers dry air for ventilation, drying or exhaust fan jobs. This unit can be used without hoses to create negative air pressure and air circulation in gyms, hallways and other large areas. Ventilate any narrow space including subterranean manholes and sewers up to 125 ft. with the optional 12 inch. diameter ducting hose (12DH25). Lightweight and easily transportable, this unit weighs less than 25 lbs. and features a durable ABS injection molded housing to ensure optimum performance and years of service.