Air Operated Drum Pump Max Air Pressure 40 psi Suction Tube Material Polypropylene Self-Priming Yes Overall Length 62 3/4 in Explosion Proof Yes Discharge Connection Type Hose Barb Food Grade No Thermal Protection No Air Outlet Size 1/4 in Bung Connection Dia 1 1/4 in Hose Length 96 in Motor HP 1/2 hp Variable Speed Yes Includes Discharge Hose Yes Motor Enclosure Air Noise Level 78 db Max Viscosity 300 cps Adapter Connection Type Buttress Duty Cycle Continuous