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Carboy Bung (Silicone) - Breathable #10
FE491

Carboy Bung (Silicone) - Breathable #10

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Description

Fits PET Carboys. A breathable Silicone stopper that acts as both a stopper and an airlock. Unique design allows CO2 pressure to escape but keeps Oxygen and airborne contamination out. Quickly became our stopper of choice for wine. Used by numerous commercial wineries. Also has great application for beer ferments: Will create a vacuum if fermenting wort cools (as opposed to pulling water in from your traditional airlock.) Air tight seal is great for extended fermented lager when CO2 production is still present but very slight.

Item # FE491
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - In Stock
Weight 0.30LBS
Community Q&A

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Why did you choose this?
MoreFlavor Store
Plan to use them on The plastic Wide Mouth plastic carboys
Dave W on Dec 18, 2018
I use PET carboys that use a #10 bung. I accidently bought the smaller one (for carboys) a while back. Pet carboys flex a little when you move them around and fluid from your air-lock can be sucked into the carboy. Not good. I use my small breathable bungs on gallon jugs. (so I did find a use for them)
Karyl N on Apr 16, 2018
Plan to use them on The plastic Wide Mouth plastic carboys
Dave W on Dec 18, 2018
Easy to use
Robert B on Sep 6, 2018
I use PET carboys that use a #10 bung. I accidently bought the smaller one (for carboys) a while back. Pet carboys flex a little when you move them around and fluid from your air-lock can be sucked into the carboy. Not good. I use my small breathable bungs on gallon jugs. (so I did find a use for them)
Karyl N on Apr 16, 2018
Easy to use
Robert B on Sep 6, 2018
Reviews

4.5 / 5.0
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Love these
I fell in love from the first moment I used it in my Fermonster. Seals perfectly and easily. No need to monitor sanitizer level over long fermentations. No bubbling sound. No risk of suck back.
May 14, 2018
Purchased
8 months ago
Much better seal than the other barrrel bungs.
April 13, 2018
Purchased
8 months ago
Love love love these things
After much hemming and hawing, I picked up 3 breathable bungs for my wine Better Bottle carboys. I was sent 2 breathable and 1 solid, but that's ok, since I use the solid one on the oldest wine. I did a kitchen renovation in the fall, and used the 3 bungs and 1 airlock, and it was so nice only having to watch 1 airlock. The other awesome thing is that I can use the Brew Hauler to pick up the Better Bottle carboy without the bung sucking in whatever's in the airlock - the breathable and solid bungs seal it up so that the carboy doesn't flex during the move up to the counter for racking.

I bought a fourth bung to go on my fourth carboy so I don't have to deal with the airlock other than during fermentation. I'm a happy girl.
February 2, 2018
Purchased
11 months ago
Mistook for barrel size
Not necessarily Morebeer's fault, I should have look farther into it but I assumed these were the same (colored) breathable bungs I have purchased in the past that fit standard wine barrel bungs. Unfortunately I cannot find those here anymore.
January 26, 2018
Purchased
11 months ago