NAPA FERMENTATION SUPPLIES, SINCE 1983
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  • Carboy Ventilation Bung

Carboy Ventilation Bung

SKU: 03905
$6.50
$6.50
Unavailable
per item

The silicone breathing bung can function as an airlock for extended aging of beer and wine. Made of natural white silicone, the bung has vent holes through the center, and a silicone flapper that fits tightly against the holes. This allows gasses to escape by pushing up against the flapper, and then the valve shuts protecting the product from contamination.


#7 breathing bung is recommended for use in glass carboys.

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Napa Fermentation Supplies
Located Inside the
Napa Expo Fairgrounds 
575 Third St, Bldg. A
Napa, California 94559
Phone (707) 255-6372

Prices Subject to Change

Shop Hours:
Mon-Fri. 9 to 5
Saturday 10 to 5
Sunday Closed
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  • HOME
  • SHOP NOW
  • Getting Here / Contact Us
  • APPLY FOR CREDIT
  • In Memory of Pat Watkins
  • Equipment Financing