New Applied Biosystems QJET (assembly p/n 01010622) (Sciex p/n: 1012622) for the ABI/Sciex API 5000 LC/MS/MS. Refurbished option available as well. OPTIONAL: AB Sciex orifice plate. QJet ion guide that prefocuses the ions before they enter the vacuum chamber for higher sensitivity and signal-to-noise ratio. Please contact us for complete used ABI parts details. (AB/Sciex QJET/AB Sciex Q-JET/​1012622)