This Edwards RV3 Rotary Vane Vacuum Pump A652-01-906 is in used condition, has been tested and is guaranteed to be functional. This unit came from a local lab that had surplus used equipment and was in use prior to removal. We urge customers to view all photos as they show overall condition, included accessories and useful information. Sale of unit comes with a 30-day full money back guarantee return policy. Buyer handling return shipping. We will be happy to provide additional information as well as photos so please feel free to contact us with any questions. Please Note: Oil will need to be replaced prior to operation (not included).