The GoFit 3 qt. Backpack commercial vacuum is the most recent and smallest vacuum from ProTeam. Engineered to produce the same power and efficiency as larger versions, this 3 qt. Is perfect for those with smaller frames and ideal for individuals new to wearing a backpack vacuum or maneuvering tight spaces. Since ergonomics matters, the GoFit Backpack Vacuum Series, including this 3 qt., features a 4-step FlexFit articulating harness was inspired by top-rated backpacks beloved by hikers worldwide and is designed to rest comfortably on the user's hips for hours of wear. Additionally, the FlexFit harness's purple numbered touchpoints provide a customized, quick-adjust fit, no tools required.