Designed exclusively for the transportation industry. The AviationVac utilizes the same 400 Hz power system used on transport vehicles therefore no need for bulky adapters. Even more, this commercial backpack vacuum comes complete with the Aviation 1.5″ Tool Kit, a lightweight wand and an ergonomic back plate. As a result, it provides a highly efficient tool for cleaning up in a hurry. Therefore the AviationVac offers the utmost quality you expect from a commercial backpack vacuum, while boasting all these essential features.