The CENTRAL PNEUMATIC™ 7 GPM Pneumatic Drum Extractor fits drums with 1-1/2 in. or 2 in. openings and will transfer approximately seven gallons per minute of oil and other non-corrosive fluids. The 40 in. long x 1-1/4 in. suction tube provides ample reach into the barrel. The pump has a 10 PSI maximum working pressure and safety air valve.