Air Techniques VacStar 20 Vacuum Pump VS20 1HP - Parts. The sale of this item may be subject to regulation by the U. Food and Drug Administration and state and local regulatory agencies. Please feel free to ask all questions prior to purchasing this item(s). The product(s) in this listing DO NOT carry a warrantee unless specifically referenced in the listing. If the item is subject to state or FDA regulation, you may need to provide verification that you are an authorized user of this type of device. It is also the sole responsibility of the purchaser to have each and all items professionally inspected and certified by any and all appropriate Federal and State regulatory agencies prior to use.