3/8" ID Rubber Grommet

3/8" ID Rubber Grommet

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Regular price $0.75
Regular price Sale price $0.75
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A small but essential piece of hardware for any fermenter setup. This 3/8" ID rubber grommet creates an airtight seal when fitting an airlock, thermometer, or other accessory into a bucket lid or fermenter that doesn't have a pre-drilled hole. Simply punch or drill a hole in your lid and press the grommet in for a snug, leak-free fit.

Key Features:

  • 3/8" inner diameter — fits standard airlocks
  • Food-grade rubber construction
  • Creates an airtight seal in bucket lids and fermenter tops
  • Easy to install — no tools required once hole is drilled
  • Inexpensive way to convert any bucket into a fermentation vessel
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