For sale is a pre-owned Gast Diaphragm Vacuum Pump that is, I think, a DOA P704-AA. Also with the sale is the valve assembly you see shown in our photos. We run the pump and it ran great. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Other Vacuum Pumps".The seller is "bilstone-94" and is located in this country: US. This item can be shipped to United States.