Rubber Bung - Solid - To Fit 1 Gallon Demi John
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This Rubber Bung is solid, so can be used to seal a fermenting vessel after fermentation has finished.
The bung is tapered so can be used to fit a range of brewing vessels including Demi-John, Carboy & Wide Neck Wine Fermenter.
Narrow End: 28mm diameter
Wide End: 31mm diameter