Medium sized, 6 qt GoFit Series of commercial backpack vacuums. The GoFit 6 features a 4-step FlexFit articulating harness. Inspired by top-rated backpacks beloved by hikers worldwide is designed to rest comfortably on the user's hips for hours of wear. With more freedom to move because of its close-fitting profile, you'll bump into fewer objects as you work. The ProLevel Filtration System with HEPA Media helps reduce allergens and asthma triggers found in the indoor environment and captures 99.82% 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.