Fermenters
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Bung (with hole) - 20-35mm
Silicon bung with hole for airlock. Tapered - 20mm-35mm. Suitable stopper for most carboys and flasks.
Next Wyeast order 21st July - orders in by 20th July 2025
Silicon bung with hole for airlock. Tapered - 20mm-35mm. Suitable stopper for most carboys and flasks.