Popular for chemical duty vacuum drying in 5+ cubic foot vacuum ovens requiring high flow. Chemstar Dry is unique due to its vacuum blower integrated into an oil-free diaphragm pump. This allows for high vapor flow rates between 0.01 to 10 torr to be achieved very quickly. This pump is oil-free, eliminating messy oil maintenance and the threat of oil contamination to your sample. Handle even high chemical vapor loads for simple, efficient deep vacuum.