Stoppers, rubber, with turn-over flange

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.
Stoppers, rubber, with turn-over flange


Stoppers, rubber, with turn-over flange
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Item added to basket.

Stoppers, rubber, with turn-over flange

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Diam.
mm
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Alternate products:
Sealing caps for test tubes, versilic silicone