13mm Vial Rubber Stoppers - Mushroom Self Healing Injection Ports, Solid Seal, for Glass Vial and Liquid Culture Jars

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  • Used for 13mm glass vial and liquid culture jars, fit about 7mm diameter opening
  • Self Healing Rubber Stoppers- Can Create a great 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 jars