Mityvac MV7300 Pneumatic 2.3 Gallon Venturi Vacuum Pump Fluid Evacuator, Uses Compressed Air, Chemical-Resistant Polyethylene, Air Shut-Off Valve, Overflow Prevention, Quick-Drain Spout, Large Base. EFFICIENT FLUID EXTRACTION: The Mityvac MV7300 utilizes a pneumatic Venturi vacuum pump for fast and efficient fluid extraction, ideal for automotive, marine, and industrial applications.