AirSpade 3000 is the most powerful air excavation tool available on the market today. Featuring the patented supersonic nozzle, the rugged, heavy-duty AirSpade 3000 is the tool of choice to move maximum dirt in the minimum amount of time. Dead man trigger ensures safe operation. Non-conductive, fiberglass extension provides degree of protection from buried electrical lines. Compressed air requirements: 330 cfm @ 90 psi.