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For sale is a used, military surplus DV-142 vacuum pump. 5 CFM rated, 1/2 HP pump. It works very well. I also added a vacuum gauge to it, it is included with the pump and shows it gets to perfect vacuum (perfect in the sense of function, not in the scientific ideal of perfect vacuum, which is not obtainable even in intergalactic space, where density of matter is as low as one particle per cubic meter).
Quiet, reliable dependable operation for a HVAC technician or a homegrown scientist.
