Bored Rubber Bung (for 4.5L glass demijohn / 25L wide neck fermenter)

This is the standard size bung, tapering from about 30mm down to 27mm, to fit 1gallon demijohns.

It is bored to accept an airlock.

Rubber is more durable & a little less prone to infection than natural cork.

Hop Shop
3156

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