Proteam Backpacks

"ProTeam is recognized as the leader in commercial backpack vacuums, upright vacuums and canister vacuums. Their goal is to provide the perfect vacuum for every user's need or preference. ProTeam not only manufacturers high quality vacuums, they are dedicated to educating consumers and showing them how do more with less, while enhancing health and safety." (1)

1. http://www.vacuumcleaners.net/vacuum_cleaners/brands/pro_team.html