With dual ATEX certification, for zones 20 inside and 21 outside the vacuum cleaner, antistatic filters and absolute filter as standard, the W2 AIREX 1/2D becomes theATEX certified industrial compressed air vacuum cleaner ideal for efficiently and safely removing dust, solids and gases in high explosion hazard areas. Power is provided by a powerful, maintenance-free 7- or 14-nozzle Venturi unit with an outstanding ratio of air consumption to performance, perfect for continuous, heavy-duty applications.