High Flow Aluminum Rotary Drum Pump can empty a 55 gallon drum in less than two minutes. Fits 15, 30 & 55 gallon drums with a 2"" bung opening. Included: 3 piece suction tube, 2"" bung adapter, curved discharge spout, discharge hose & hose clamp. Wetted Materials: Steel, Cast Aluminum, Cast Iron, NBR, Polyethylene