AirSpade 5000 Arbor 150 cfm with 4 ft Barrel Spark Free Nozzle Yes Barrel Length 4 ft Air Consumption 150 cfm Soil Excavation Rate 1.8 scfm Minimum Compressor HP 33 hp Dead-Man Trigger Yes Air Inlet Type NPT Air Inlet Size 3/4 in Kit Contents (1) Barrel with Dirt Shield (1) Handle with Coupler (1) Detachable Auxiliary Handle (1) Nozzle Min Hose Size 1 in Number of Nozzles Included 1