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

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

This solid bung fits both our 4.5 litre glass demijohns and 25 litre wide neck fermenters.

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

Hop Shop

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