Silicone rubber bungs made of high-quality food-grade silicone. Resistant to high temperatures and leave absolutely no odour or taste. Very useful for closing demijohns, carboys, flasks, casks, tanks etc.
Top diameter 32 mm, bottom diameter 26 mm.
Fits demijohn, carboy.
Also available with a 9 mm hole for an airlock.
Other sizes available on request.