Never pumps dirty, high-humidity, radioactive or chemically active gases. Stored in clean, dry, oil-free environment. The item "EDWARDS nXDS6i dry scroll vacuum pump, tested, ultimate pressure 20mTorr, mint" is in sale since Wednesday, July 28, 2021. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Scroll Pumps". The seller is "python001" and is located in Chesterfield, Missouri.This item can be shipped to United States.