Appion TEZ 8 CFM Two Stage Vacuum Pump HVAC. Item is used and has been tested by our HVAC guy when he serviced our system last year. No personal markings on the item. One of the rubber feet is starting to peel off on the bottom. Photos of the Appion are included. If you want to make an offer do it through the listing. An unpaid item case will be opened for any item that has not been paid. Gil's Online is located in Hamilton, OH.