Stoppers with turn-over flange Silicone or natural rubber. These stoppers guarantee perfect sealing even with poorly finished rims on glass or plastic bottles. The top of the stopper has a septum which can be punctured by a hypodermic needle. Very secure fit prevents accidental opening. Product Specification: Material: Rubber Diam.: 12.7mm | |
Catalogue Number | 9.230 652 |
Manufacturer | Kleinfeld |
Manufacturer P/n | 407013-50 |