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37/41mm Bung for Large Demijohns and Fermenters
€1,70
This Ø37/41 mm stopper, intended for sealing large carboys and demijohns. The stopper has a permanently attached, closeable opening for the airlock, as well as a lip that prevents it from being pushed to the inside of the carboy or demijohn.
- Stopper for Airlock - the stopper has a permanently attached, closeable opening for the airlock
- Hole for 8mm Airlock – Fits all standard airlock
- Can Sit in or over bottle neck – Making it versatile form many types of fermenters
- Special flange - makes it easy to remove the stopper and at the same time prevents it from being pushed to the inside of the carboy or demijohn.
- Made in Poland - a highest quality Polish product.