(one) Verder air pump diaphragm , unused in original box. FREE scheduling, supersized images and templates. The item "Verder air pump diaphragm 819.4969" is in sale since Tuesday, August 13, 2019. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Diaphragm Pumps".The seller is "hayekfa" and is located in Dayton, Ohio. This item can be shipped worldwide.