The ProTeam GoFit 3 qt. backpack commercial vacuum (107747) 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. The ProLevel Filtration System with HEPA Media, helps reduce allergens and asthma triggers found in the indoor environment and captures 99.79% at 0.3-5 microns per ASTM F3150. When it comes time to change out the filters, to ensure maximum efficiency, you'll find one hand is all you need with the newly designed hinged lid with a single, durable, quick-release, die-cast aluminum latch for easy access.