The next generation in cleaning comfort. Ergonomic backpack design with FlexFit articulating harness increases range of motion, reduces fatigue, and improves productivity. New triangular shape fits closer to the body and moves with the user, reducing the chance of bumping into doorways, walls, or furniture. Exhaust out the back of unit blowing air away from the user. Due to the angle of the exhaust filters, the unit will not disturb papers on desks as it passes. With the same motor and proven performance as the Super QuarterVac, the 6-quart Super Coach Pro feels lighter, is shorter, and has a slimmer profile.The die-cast aluminum tri-latch system assures air performance. Four Level Filtration w/ HEPA Captures Fine Dust, including fine carbon dust from the motor, for improved Indoor Air Quality.