Compact, light, manageable and powerful backpack vacuum cleaner. You wear it as a backpack. Your hands are free, it doesn’t hamper movements and allows to work faster and more effectively and the job results lighter. Double filtration system (cartridge filter + paper filter bag). Exhaust air filter. Accessory holders. Motor thermal protection. W1 is now available in FLY version 115 V 400 Hz, which is specifically wired for On-Board Power Systems found on various Aircrafts.