Armour Aluminum Air Double Diaphragm Pump 1" Intake (3) 1/2" Outlets. Tested and works as it should. Gages are in need of replacement. The item "Armour Aluminum Air Double Diaphragm Pump 1 Intake (3) 1/2 Outlets" is in sale since Tuesday, July 7, 2020.This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Other Pumps". The seller is "arrowindustrialsurplus" and is located in Millersburg, Indiana. This item can be shipped worldwide.