2 x glass airlocks / bubblers for home winemaking and brewing 18cm approx. (length) x 8.5mm (external diameter of straight part of the tube) Will fit standard demijohn bungs / corks with 8.5mm hole New Take care when inserting the glass airlock into the rubber bung, I recommend wetting it with a soapy solution first. Will be well protected for postage Free post to UK destinations, will post internationally Same or next day dispatch Please contact me with any questions
