1 Gallon Wide Mouth Plastic Cap (110/400) with Hole and Grommet

  • Plastic screw cap for 1 gallon wide mouth glass jars with 110/400 thread. It features smooth sides with liner and pre-drilled hole with rubber grommet for fermentation airlock. Fits jars with a 110mm outside thread diameter and a 400 thread neck finish. Food-grade.

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