This bung has ventilation holes on the top with a silicone flap that lays tight to the surface. Gases from fermentation can escape through the holes and flap and no contaminants can get in.
Used with 34l demijohns (9 gallon) and small wood barrels.
This bung has ventilation holes on the top with a silicone flap that lays tight to the surface. Gases from fermentation can escape through the holes and flap and no contaminants can get in.
Used with 34l demijohns (9 gallon) and small wood barrels.