Global Backpack Vacuum Cleaner Market 2020 Leading Competitors – Oreck, KARCHER … September 7, 2020 Bryan Delay Articles Global Backpack Vacuum Cleaner Market 2020 Leading Competitors – Oreck, KARCHER, Rubbermaid, Hoover, Nilfisk, Sanitaire, Fimap, Numatic. Source: Backpacking & Water Filtration