Demijohn stopper - upper diameter of the stopper 32 mm. Made of polyethylene. Approved for contact with food. The stopper has a hole for a fermentation tube. The stopper’s closure/cap allows you to seal it once the fermentation process is complete.
The cap also protects the demijohn during storage, when fermentation is not taking place, from dust and dirt.
Upper diameter 3.2 cm
Fits demijohns:
-5 L wine demijohn in a plastic basket
Dimensions:
∅ upper 32 mm
∅ lower 29 mm
∅ internal 22 mm.