Silicone self-venting fermentation lid for wide mouth mason jars. Lets gas escape while keeping air and contaminants out. Uses the jars metal ring to secure in place.
Does not include metal lid ring.
Silicone self-venting fermentation lid for wide mouth mason jars. Lets gas escape while keeping air and contaminants out. Uses the jars metal ring to secure in place.
Does not include metal lid ring.