The Yellow Jacket 77940 is a Max-Flow Combination Oil Pump with tubing. The universal stopper adjusts to all standard openings in 1, 2-1/2 and 5 gallon oil containers. Remove oil for recovery and conversion and add oil to existing systems.

• Pumps 2.6 oz. or 78 ml per stroke
• Pumps against 200 psi pressure
• Includes suction transfer hose and fittings
• Use with alkyl-benzene, ester-based, polyol ester, mineral and synthetic oils