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