Home :: Restek :: GC Spare Parts by Instrument Manufacturer :: Agilent Technologies :: Injection Port Supplies for Agilent :: EZ Twist Top Injection Ports and Replacement Parts :: EZ Twist Split/Splitless Injection Port for Agilent 7890 GCs :: EZ Twist Top Weldment, Siltek for Agilent 5890/6890/6850/7890 GCs, ea.