This unit was used for less than 7 months. Unit functions perfectly without question. Give me a message I don't mind sending you videos of actual Unit and serial number along with videos. I also have a 10ic available on another post. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Other Vacuum Pumps". The seller is "lawrpa-5397" and is located in this country: US. This item can be shipped worldwide.