Two (2) Available, price per unit. Removed from a working environment. Vacuum Pump System Model 002544. The Bison dental dry vacuum is built for those who demand heavy-duty, large facility power in a rugged, compact chassis. Driven by a hefty industrial frame motor, Bison pumps are guaranteed to perform.If you demand longevity, efficiency and unmatched treatment room performance for up to nine doctors plus staff, you're in the right pasture with the Bison. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Other Vacuum Pumps". The seller is "rrlcollector" and is located in this country: US. This item can be shipped to United States.