This self-priming rotary pump can empty a 55-gallon drum in less than two minutes. Easy turn crank operation handles viscosities up to 1500 SSU. Steel intake tube fits 15-30- and 55-gallon drums . Curved Discharge Spout with 1" O.D., 2" NPS Bung Adapter Fits 15-, 30- and 55-Gallon Drums, Pump Body Material Aluminum, Buna Seal, Max. Temp.140 Degree F, GPM 27 @120 RPM, Discharge Hose Material Polyethylene, Internal Parts Material Aluminum Alloy and Steel, Inlet Size 1 Inch , Overall Length 48 ".