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      Septum nut provides consistent septum tightness, fewer bent needles, and easy leak detection. The nut contains a needle guide, ensuring that the needle consistently penetrates the septum in the same place, prolonging septum life. The guide also prevents the needle from striking the edge of the column or bending during insertion.

Septum Nuts for Thermo Trace GCs
       Ensure a leak-tight injection port, increase septum lifetime, and decrease maintenance requirements.
       Needle guide allows easy penetration and prevents septum coring.
       Manual injection septum nut allows use of 23-gauge needles for on-column injections.
       Made of high-quality stainless steel.
       Include septum port and holder.

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