COMPRESSED AIR OPERATED DRUM PUMP WILL FILL A 55 GALLON DRUM IN 2 MINUTES. The Arizona Vortex Drum Pump turns an ordinary 55 gallon steel drum into a liquid vacuum cleaner and shop vac combined. Just mount the Arizona Vortex Drum Pump on the threaded attachment of the 55 gallon drum, hook up compressed air and you have a liquid vacuum and shop vac which requires no electricity. The Drum Pump creates a vacuum inside the drum pulling liquids and solids into the drum for disposal. The Arizona Vortex Drum Pump is safe for use in wet areas since there are no motors or electricity. The unit is lightweight and portable. It easily picks up high-viscosity liquids as well as chips, and sediments. The Vortex Drum Pump makes an ideal emergency spill pickup system and very affordable. Manufactured from stainless steel construction so that corrosive materials are not an problem. The Vortex Drum Pump has a built in flow control to shut the unit off so that there is never a chance of over filling the drum. The Arizona Vortex Reversible Drum Pump easily switches from vacuum mode, filling the drum, to empty mode by turning handle on top of unit.