Drum Pump Max Air Pressure 120 psi Spout Connection Size 1 in Suction Tube Material Not Applicable Self-Priming Yes Overall Length 39 in Explosion Proof Yes Discharge Connection Type Hose Barb Features Air motor with silencers Spout Length 4 in Food Grade Yes Thermal Protection Not Applicable Air Outlet Size 1/4 in Bung Connection Dia 2 in Air Consumption 17 cfm Hose Length Not Applicable Motor HP 1/2 hp Variable Speed Yes Includes Discharge Hose Yes