AlcoFermBrew Wide NECK CARBOY CAP 57mm Rubber Bung, Large Demijohn, Silicone Cork Stopper, Bung

Elastic rubber cap for Carboy with Neck 57mm Easy to the top of the cap with a Pair of scissors cut. Width: 9.0cm | Depth: 6.0cm | Height: 2.0cm Hoods available for sale have National Institute of Hygiene certificates, allowing them to come into contact with food products. Use: Before using wash the hood thoroughly with warm water and washing up liquid, then dry it thoroughly. This is to remove the layer of silicone remaining after the production phase, which may lead to slippage of the rubber hoods during fermentation. Hoods are very stretchy, giving you the ability to use them with various vessels, they can serve as a seal of the balloon or after cutting off the plug as a cap with a hole for fermentation tube.