api5000In the API 5000™ system, we use the same proven principle of collisional focusing in the hh pressure region directly behind the orifice. The QJet ion guide desn allows the free jet toThis AB Sciex API 5000 Triple Quad LCMSMS comes expertly refurbished from GenTech Scientific. Condition: Refurbished. Model: 5000. OEM: AB Sciex. Full-Service Reseller.