2 legs of the stoppers can create a better solid seal.

Material: Butyl Rubber

Size: Please refer to the picture

Quantity: 100

Weight: 2g each

Application: liquid culture, BRF Jars...

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Product Review

2 legs of the stoppers can create a better solid seal.

Material: Butyl Rubber

Size: Please refer to the picture

Quantity: 100

Weight: 2g each

Application: liquid culture, BRF Jars, injection, Supplemented substrate jars, Grain Masters

Other Size:

13mm Vial Rubber Stoppers(100 Count): https://www.amazon.com/dp/B07JGHNNH5

13mm Vial Rubber Stoppers-Two Legs(100 Count): https://www.amazon.com/dp/B07JG6SXXQ

20mm Vial Rubber Stoppers(100 Count): https://www.amazon.com/dp/B07JGVBSVS



  • Used for 20mm glass vial and liquid culture jars, fit about 13mm diameter opening(Please refer to the picture).
  • Self Healing Rubber Stoppers----2 legs of the stoppers can create a better solid seal.
  • Excellent Heat Stability (Butyl Rubber)-----can be sterilized by steam under high pressure.
  • It is reusable and not out of shape.
  • Great for liquid culture, BRF Jars, injection, Supplemented substrate jars, Grain Masters

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