Air Operated Drum Pump Max Air Pressure 150 psi Self-Priming Yes Discharge Connection Type FNPT Air Outlet Size 1 3/8 in Includes Discharge Hose No Motor Enclosure Motor Housing Max Viscosity 850 cps Includes Suction Tube Yes Includes Bung Adapter Yes Includes Nozzle No Includes Spout No Adapter Material Aluminum Zinc