The Atrix VACBP400 Ergo Aviation Backpack HEPA Vacuum/Blower, with its industry specific 115V, 400 Hertz (Hz) motor is an excellent vacuum for aviation, airline and transportation applications. It is ergonomic, lightweight and low profile making it comfortable for the professional cleaner to wear for long durations of time in constricted spaces. The VACBP400 provides four levels of filtration which consists of an eight quart HEPA bag, cloth shake out bag, HEPA premotor filter, and an exhaust filter. The ERGO 400 Hz backpack vacuum can be adjusted to left or right hand operation and easily converts to a blower providing an extra cleaning dimension. The 115V, 400 Hz, 1,100-watt motor provides plenty of cleaning power and produces 76 CFM.