## Description - Plug-type stopper with sleeve extension fits into the neck of the apparatus for a secure seal - Diaphragm can be punctured with a syringe needle - Use for outgassing NMR sample tubes, as a pressure vent or for adding reactant via a syringe ## Specifications ||| | ------------ | ------------ | |Diameter (Metric) Outside|1.4cm| |Product Type|Plug Type Sleeve Stopper| |Color|White| |For Use With (Equipment)|NMR tubes, pressure venting or adding reactants via syringe| |Standard Taper Joint|14/20| |Material|Rubber|