Edwards Diffusion Vapour Pump E203S. Removed from working Sorvall centrifuge. Soon I will be listing cooling pump and coil for diffusion pump. Also the large D150 vacuum pump that came with centrifuge.It is a high quality pump at a great price. The item "Buy it now super low price -Edwards Diffusion Vapour Pump E203S" is in sale since Wednesday, September 11, 2019. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Diffusion Pumps". The seller is "sakers0804" and is located in Lubbock, Texas. This item can be shipped to United States.