It is also used to discharge Dry Chemical Powder fire extinguishers. 2. No electrical connection required. 3. It works with air. Air is used to move the main body. 4. It is used by discharging the fire extinguisher with its own pressure. 5. Thanks to its special filter, it does not leak dust into the environment used. 6. Accumulates the dust in its lower tank without any loss. 7. Thanks to 4 wheels, it can be easily moved to the desired place.