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This foam stopper has a diameter of 1 3/4″. It fits a 1000ml and 2000ml flask. This material allows for airflow in and out of the flask while still keeping your brew safe.
At Fermentaholics, we’re dedicated to making your fermentation journey a success. We’re here to help at every step of the way. No matter your question or concern, we’re here to provide the correct guidance and support to help you accomplish your fermentation goals. From batch to batch and brew to brew, we’ve got your back.
