Air Operated Drum Pump Max Air Pressure 100 psi Spout Connection Size 3/4 in Suction Tube Material Polypropylene Self-Priming Yes Overall Length 10 in Explosion Proof No Discharge Connection Type Hose Barb Features Also compatilble with engine oil hydraulic oil mild acids water anti-freeze diesel pariffin and degreasers Spout Length 1 in Food Grade No Air Outlet Size 3/4 in Bung Connection Dia 2 in Variable Speed No Includes Discharge Hose No Noise Level 74 db