The QuietPro BP utilizes innovative QuietPower technology for unobtrusive performance in daytime cleaning and active environments. This commercial backpack vacuum comes complete with the Xover Multi-Surface Telescoping Wand Tool Kit. Never worry about disrupting workers during regular business hours again. - QuietPower - A two-speed power and decibel control switch lowers sound levels from 60 decibels to 51 decibels. Filtration - Advanced filtration system captures and contains microscopic dust preventing them from being reintroduced back into the environment. Ergonomic - Utilizes mountaineering-style backpack technology to carry the vacuum comfortably and ergonomically across the hips. Partners in an educational campaign about Indoor Air Quality issues. The American Lung Association does not endorse products.