Medium Carboy Bung for Bubbler PET Fermentors - Drilled
Equivalent to a #10 stopper
6cm wide at the top
4cm wide at the bottom
Plastic bung with a drilled hole for airlocks. This universal style has a longer taper than rubber stoppers, for a snug fit and better seal. Fits plastic carboys, Better Bottles and Bubbler PET fermentors. This bung is too large for the Big Mouth Bubbler universal lid.