This rubber grommet fits into a drilled fermentation bucket lid to securely hold a standard airlock in place. It creates an airtight seal, allowing carbon dioxide to escape during fermentation while preventing outside air and contaminants from entering.
Ideal for homebrewers and winemakers using plastic fermentation buckets with pre-drilled or custom-drilled lids.
Features:
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Designed for fermentation bucket lids
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Holds airlocks firmly and securely
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Creates an airtight seal
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Flexible, durable rubber construction
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Easy to install and remove
Perfect replacement grommet or spare for any bucket fermentation setup.