Septum Stopper, Sleeve Type, For 19/22-19/38 Outer Joints, White, Pack of 12

Details:

Septum Stopper, Sleeve Type, For 19/22-19/38 Outer Joints, 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 The diaphragm can be punctured with a syringe needle, re-sealing after the needle is withdrawn.