Grey Butyl Vial Stopper

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Title: 25 Count

The grey butyl rubber is made of high quality material, durable, washable and reusable.  Resistant to high temperature, creating a great seal that extends the life of the material in the vial.

  • American made 20 MM grey butyl stopper, for use with all 20 MM seals.
  • Provides an airtight seal for all 20 MM GPZ vials.
  • Will fit all 20 MM GPZ clear and amber vials sold.