EXP Direct Connect Holder For EXP Guard Cartridges Includes fitting & ferrules

To help protect your investment and further extend the life of our already-rugged LC columns, Restek offers the patent-pending guard column hardware developed by Optimize Technologies. A Restek LC guard cartridge in an EXP direct connect holder is the ultimate in column protection, especially when using dilute-and-shoot or other minimal sample preparation techniques.
Maximum holder pressure: 20,000 psi (1400 bar).