THIS IS A WORKING PFEIFFER BALZERS TYPE DUO 1.5A VACUUM PUMP. Thank You For Looking At Our Item23. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Other Vacuum Pumps". The seller is "buyhitek" and is located in this country: US. This item can be shipped worldwide.