3 Wilden double diaphragm pumps. Pumps cycle back and forth under pressure. Removed from service when building was closed.The item "3 Wilden 15-5180 Aluminum 3 diaphragm pump" is in sale since Wednesday, October 23, 2019. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Diaphragm Pumps". The seller is "timboultimo" and is located in Weaverville, North Carolina. This item can be shipped to United States.