Vacuum 60% faster with this backpack. Extremely high air-flow speeds your cleaning, increasing productivity, reducing costs and effort. Highly effective in removing fine dust and particulates embedded deep in the carpet fibers. Great for use in schools, office buildings, hospitals, hotels and high traffic areas. Non-clogging hose with particulate deflector. HEPA filtration removes dust, pollen, pet dander, and mold down to 0.3 microns.