Mityvac Fluid Evacuator Plus - MV7201Mityvac Fluid Evacuator Plus MV7201 At the push of a button, this versatile unit changes from vacuum to pressure for evacuating or dispensing fluids. This functionality makes it ideal for draining tanks or reservoirs and then pumping the used fluid back out for easy disposal. Multiple units work great simply evacuate used fluids with one unit and then quickly refill with new fluid from a second. For superior mobility, the MV7201 utilizes a manual