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Medium Universal Stopper - Drilled

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Medium Universal Stopper - Drilled

SKU: 40490

Plastic bung with a drilled hole for airlocks. This universal style has a longer taper than rubber stoppers, for a snug fit and better seal. Fits plastic carboys, Better Bottles and Bubbler PET fermentors.

The drilled hole fits an airlock (#7008 or #7010) for fermentation.

Top Diameter: 2.375"

Bottom Diameter: 1.656"

$1.99
OR
Description

Details

Plastic bung with a drilled hole for airlocks. This universal style has a longer taper than rubber stoppers, for a snug fit and better seal. Fits plastic carboys, Better Bottles and Bubbler PET fermentors.

The drilled hole fits an airlock (#7008 or #7010) for fermentation.

Top Diameter: 2.375"

Bottom Diameter: 1.656"

Details & Instructions

Additional Information


Reviews
5.0 / 5.0
53 Reviews
5 Stars
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1 Stars
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Works
Nice tight seal. Easy to use. Seals well in bottle and seals to both types of airlocks great. No need to drill out center.
May 21, 2013
Good price
Fits your Erlenmayer flask (yeast starter) as well as your carboy.
October 28, 2012
predrilled bung
I had a extra carboy but no bung or air lock when I measured the opening of my bottle the discription that they gave was spot on . It fit and the air lock fit in the bung without any problems great product!!!
May 22, 2013
Just Right...
Seals tight with little effort, easy to clean and sanitize, and cheap enough to have a couple on hand as spares.
June 4, 2013
The stopper for PET carboys
Fits 3-, 5-, and 6-gallon Better Bottles. These lightweight stoppers always make a snug fit in my carboys, and I'm never concerned about them worming their way out, as with other types of stoppers. No matter how many carboys you have, it's always best to have a few extra of these stoppers around.
June 4, 2013
great seal
this bung creates a very effective seal that is better than the rubber grommets. fits perfectly and i've never had an issue with this product.
June 13, 2013
Bung
These fit the 6 gallon PET carboys I just purchased. Good fit, no problems.
June 17, 2013
Great for Better Bottles
This is the stopper included with a starter kit that uses a better bottle. They are also the correct size for use with PET plastic carboys. Perfect size, precisely drilled, nicely priced.
June 22, 2013
A must have for a better bottle.
This stopper fits perfectly into the better bottle neck and the shape of it keeps it from falling all the way in. Worth the few bucks!
June 28, 2013
Works great on my carboys
These fit the 5-gal carboys perfectly...a good snug fit without a lot of effort. I have some other solid stoppers that darn near require a mallet to insert once the airlock is in place. Not with these. And they're easy to clean!
July 1, 2013
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