Hoover V-TUF VT1000 Industrial Backpack Vacuum Cleaner, 220VOLT(NOT FOR USA)
Clarke Comfort Pak 10 Qt. Backpack Vacuum with HEPA Filtration and Tool Kit - 110/120V
Hoover Commercial Lightweight Backpack Baggged Vacuum Cleaner, Lightweight, For Carpet and Hard Floors, C2401,Black: Shop Wet Dry Vacuums: Amazon.com: Industrial & Scientific
Amazon.com: ProTeam Backpack Vacuums, Super QuarterVac Commercial Backpack Vacuum Cleaner with HEPA Media Filtration and Telescoping Wand Tool Kit, 6 Quart, Corded, Green : Home & Kitchen