![Rubber Stopper, #000](/Assets/ProductImages/nc14467n-sm.gif)
Septum Stopper, White Rubber, for 14/20 Joints
"Sleeve" style septum with hollow plug for use with 14/20 outer joint. Top is flanged with an extension that folds down over the neck of a vessel for a tight seal. The diaphragm can be punctured readily with a syringe needle. Puncture seals automatically after the needle is withdrawn. NC-14467