Designed for use when there is a need to run long lengths of ventilation ducting while maintaining a high CFM. Ducting is attached to both the intake and exhaust ends of the blower and multiple blowers can be placed in a series to achieve positive or negative ventilation. This lightweight, portable single phase motor blower is ideally suited for industrial or utility confined space applications. This “safety orange” blower features super quiet performance, molded carry handles, stackable with built-in On/Off switches, as well as enclosed electrical components. Certified to CSA STE C22.2 No 113 Air Delivery certified CEESI.