Verderair VA 25 Air-Operated Diaphragm Pump. The item “Verderair VA 25 Air-Operated Diaphragm Pump” is in sale since Sunday, July 11, 2021. This item is in the category “Business, Office & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Other Pumps”. The seller is “hamza2098″ and is located in London. This item can be shipped worldwide.