A user friendly dry vacuum cleaner particularly suitable for the removal of hazardous dusts in areas risk assessed as Zone 22 D. This machine is approved to the new ATEX regulations - Dust class H. The use of a vacuum cleaner of this class is highly recommended where the residual dust creates a risk of explosion. This unit has a number of special features including a compact fan housing and continuous anti-static system. The machine is easily mobile with two large back wheels and two castors (electrically conductive). All steel construction with an epoxy paint finish providing great strength and durability. The three stage inlet filtration comprises a HepaFlo disposable bag, cloth filter and HEPA cartridge filter. A further HEPA cartridge filter is fitted to the exhaust to prevent containments reaching the atmosphere. Changing the HepaFlo disposable bag is easy and safe for the operator. Certified as a Class "H", Zone 22 D dry vacuum cleaner for use in woodworking and production workshops, engineering workshops, or any other areas, which meet a Zone 22 D (dust) risk assessment ("A place in which an explosive atmosphere in the form of a cloud of combustable dust in the air is not likely to occur in normal operation, but if it does occur, will persist for a short period only"). The ATX 750-2 Certification code is as follows: Class H, Zone 22, 11 3 D Ex tD A22 IP64 T100C.