Said to provide guaranteed leakproof service to 10 psig. Closures fit any Nalgene bottle with a 38-430 neck finish.
Nalge Nunc Intl.: Nalge Nunc Intl.: Septum closures on bottles
Nalgene® PETG media bottles with septum closures are manufactured by Nalge Nunc (Rochester, NY) as non-cytotoxic Class I medical devices. They make it possible to reliably sample or introduce product through the PTFE/silicone septum.
Dec 31st, 2000