Description
Description
Septum Stopper, Sleeve Type, for 5mm OD NMR Tubes, White. Sleeve type stoppers with a hollow plugs and sleeve extensions that folds down over the neck of a vessel, Tubing, etc. The diaphragm can be punctured with a syringe needle, re-sealing after the needle is withdrawn. Available in either RED or WHITE rubber and sold in the package quantities listed below. Select sizes now available in smaller packages of 12. Made in the United States.
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