Hand Operated Drum Pump Action Type Piston Wetted Materials Polyethylene Polypropylene Seal Material Polyethylene Piston Material Polypropylene GPM 3 Max Pressure 20 psi Ounces per Stroke 15 oz Max Viscosity 8 800 cps Inlet Size 1-31/32 in Outlet Size 7/8 in Discharge Tube Outlet ID Size 23/32 in Discharge Tube Outlet OD Size 53/64 in Discharge Tube Length 6-1/4 in Suction Tube Length 47 in Suction Tube Outlet O.D. Size 1-1/2 in Suction Tube Outlet I.D. Size 1-13/32 in