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| 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.: 30.7mm | |
| Catalogue Number | 9.230 657 |
| Manufacturer | Kleinfeld |
| Manufacturer P/n | 407030-05 |
| VGKL Ref | VG240017301 |
| VWR Ref | 217-0186 |
| VGKL: | VG240017301 |
| VWR: | 217-0186 |