The vacuum cleaner AD56 is the most powerful of all the range of vacuum cleaners working with compressed air thanks to a double Venturi system. Available in X1-X2-X3 version, it can be used in hazardous areas ATEX 21- 20 internally: marking EX II 2/1D. Equipped with a removable container 100 liters and an antistatic star filter Ø 560, with its 3.4m² of filtering surface is able to suck very fine dust.