Nilfisk / Advance Backpack Vacuum GD10 / 10XPDescription There are many things that should be present in a good backpack vacuum cleaner. It should be light in weight, with even weight distribution, good suction power and the noise level must be as low as possible. At the same time, the power needs to be sufficient for fast, effective cleaning, and the dust bag must be large enough to avoid constant changing. Without these basics, a backpack vacuum cleaner is uncomfortable and impractical to