Silicone fermenting/ventilating bung. use in place of rubber stopper and airlock- no need to worry about airlocks going dry. no. 7 size, fits 5 gallon glass carboys.

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Silicone fermenting/ventilating bung. use in place of rubber stopper and airlock- no need to worry about airlocks going dry. no. 7 size, fits 5 gallon glass carboys.

  • Tapered silicone stopper #7
  • 5 hole vent
  • Use in place of airlock
  • Tapered silicone stopper #7
  • 5 hole vent
  • Use in place of airlock

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