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Premium Breathable Silicone Bung for Barrels and Variable Volume Tanks
FE497

Premium Breathable Silicone Bung for Barrels and Variable Volume Tanks

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Description

We recently discovered this premium breathable silicone barrel bung and were immediately impressed with its robust design and features. To start with, the built in tabs really help make bung removal effortless. But where the bung really shines is in its two-piece design. When set to the open position, the bung acts as an airlock and allows the release of CO2 while maintaining a seal against oxygen coming in. This makes the bung ideal for alcoholic or malolactic fermentation in barrels or tanks. When fermentation is over and you no longer want the bung to "breathe" out, you just push the center cap into the bung to create a firm seal and the FE497 becomes a solid stopper!

Fits most 30 and 60 gallon barrels as well as the hole in the lid of most Variable Volume tanks!

tapers from 1 7/8" to 2 1/4" diameter

Item # FE497
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - In Stock
Weight 0.25 LBS
Community Q&A

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Browse 2 questions Browse 2 questions and 5 answers
Why did you choose this?
MoreFlavor Store
For wood barrel in our brewery. Very handy
Pierre L on Feb 14, 2023
good reviews
John P on Dec 22, 2022
For wood barrel in our brewery. Very handy
Pierre L on Feb 14, 2023
look cool
Edward G on Jan 28, 2023
good reviews
John P on Dec 22, 2022
it's nice to let the barrels off gas
Scott W on Jun 13, 2022
barrel fill
Brian M on Feb 25, 2022
This is just what I need to store my wine in variable tanks
Hildy V on Dec 9, 2021
Because I ordered 4 barrels
David R on Dec 4, 2021
The marble ones keep breaking
lapybp on Nov 9, 2021
To allow malo completion in barrel
Richard S on Oct 15, 2021
I can't fit a bubbler on my shelves
James Z on Oct 8, 2021
Need for Barrel
Walter S on Sep 2, 2021
just trying it out
Raymond A P on May 19, 2021
So our barrels can breathe
Tom Horst on May 4, 2021
Useful for tank
Stewart P on Feb 2, 2021
Good review
Cuesta Sol V on Dec 10, 2020
Ordered before
Ludger S on Nov 14, 2020
Replace a broken one
Todd G on Nov 4, 2020
Purchased for barrel aging beer
Steve C on Sep 15, 2020
Replacements for VC tank airlocks that keep breaking and I have to remove the lid to replace.
Janice Goegan on Sep 12, 2020
new to barrel aging. hope this helps
Emmett S on Aug 21, 2020
price
James E on Aug 12, 2020
I need this for a keg i use to ferment in
christopher h on Jul 20, 2020
Need them
Four Mile B on May 18, 2020
For aging beer in a wine barrel; These are easy to clean and breathable
Aaron D L on Mar 30, 2020
I need to finish up MLF in several oak barrels.
Carey B on Dec 31, 2019
It was recommended by you
German O on Nov 12, 2019
Tried out one and it's working well enough I'll get another
Mark Bales on Oct 28, 2019
They also work on kegs
Frederick Carbone on Oct 7, 2019
Barrel aging
DANIEL J on Sep 7, 2019
Used them at a previous job
Christian L on Aug 28, 2019
I can
Wade A R on Apr 25, 2019
"You may also need"
Barrel aging beer
Jesse D on Jan 21, 2019
best
john morton on Jan 11, 2019
barrels
Monte Scarlatto V on Dec 15, 2018
good reviews, need a replacement for variable tank airlock
Mike B on Nov 27, 2018
barrel aging beer
Orlando M on Nov 20, 2018
cause they work!
Joseph B on Oct 19, 2018
They are awesome
Mason I on Sep 20, 2018
Great for venting and fermentation. Dual purpose product and easy to clean.
Michael P on Jul 20, 2018
Recommendation
Brent J on Jul 9, 2018
perfect fit for most 5 gallon barrels. work great.
Joseph Liston on Jun 26, 2018
Best ones I've found
Paul P on Jun 14, 2018
recommended by fellow brewers.
Valued C on May 23, 2018
They are totally metal
Joseph B on May 19, 2018
Barrel aging beers
Dietrich D on Apr 3, 2018
best bung
Tom C on Mar 27, 2018
I needed an airlock for some barrel-aging. These have the best design.
James S on Mar 21, 2018
have barrels that need this
Chuck on Mar 16, 2018
back up for var. vol.
Bradley M on Feb 17, 2018
look cool
Edward G on Jan 28, 2023
it's nice to let the barrels off gas
Scott W on Jun 13, 2022
Without bubbling, how do I know fermentation is over?
Noe Palacios on Mar 16, 2020
BEST ANSWER: The only way to always know for sure is to check the gravity with a hydrometer a couple days apart. If you see no change then you are done fermenting. Another quick visual landmark is if there is no more foam or krausen atop your wort. It will look still and quiet. When I see that is usually when I start taking gravities to make sure the fermentation is done.
Will this fit in a standard glass demijohn?
Douglas Fecko on Nov 21, 2019
BEST ANSWER: Hi Douglas, these should fit as the widest part is 2 1/4'', the mouth of the narrow mouth Demijohn is 2''.
Reviews

4.8 / 5.0
18 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
16
1
1
0
0
Rated 5 out of 5
Great bung!
This is the best bung for long barrel aging. Highly recommended for long term. No need for water airlock that can go dry. No need to constantly check
September 5, 2022
Purchased
1 year ago
Rated 5 out of 5
Great
they do exactly what they are supposed to do, easy to use.
December 6, 2021
Purchased
over 2 years ago
Rated 5 out of 5
Best of both worlds
Sealing and breathing.
September 24, 2020
Purchased
over 3 years ago
Rated 5 out of 5
Silicone stoppers
These stoppers seal very well....before i was using them i got some oxidation in the barrels but these fit nice and snug.
September 23, 2020
Purchased
over 3 years ago
Rated 4 out of 5
Good fit for Vadai 32 gal barrel
The Vadai barrels come with a wooden bung that does not seal. The silicon bung that "breaths" works very well.
March 30, 2019
Purchased
over 5 years ago
Rated 5 out of 5
Great accessory for barrel aged sours
We use the breathable bung for our barrel aged spontaneously fermented Belgian style sours, aka lambics. The bung is really well designed. It provides enough counter-pressure (even when in the open position) to not let any air in when the fermentation is inactive, like during colder periods. The fact that it is easy to clean is really good as a highly active fermentation will push the foam and yeast through the opening (see picture).
The bung does its work as the spontaneous fermentation kicks in for our Belgian style lambic.
The bung does its work as the spontaneous fermentation kicks in for our Belgian style lambic.
February 12, 2019
Purchased
over 5 years ago
Response from MoreFlavor
Thank you so much for your feedback. We really appreciate the honesty and value great feedback like this as it helps us improve our products. Cheers!
February 13, 2019
Tyler W Staff
Rated 5 out of 5
Nice design. Works as advertised. Thumb up
January 13, 2019
Purchased
over 5 years ago
Rated 5 out of 5
works as descibed. fits snuggly in the 3, 59 gallon wine barrels I am using.
September 12, 2018
Purchased
over 5 years ago
Rated 5 out of 5
Great idea
These bungs work great and eliminate the need for bubblers on my still fermenting barrels.
July 20, 2018
Purchased
over 5 years ago
Rated 5 out of 5
Great for barrels
These are great for spirit/wine barrels 15G or larger. Easy to clean though they do get stained over time.
April 2, 2018
Purchased
over 6 years ago