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Stoppers

High quality fermentation stoppers, both drilled and undrilled, to fit all of your fermentation vessels, oak barrels, conical fermenters, or any other type of fermentation vessel or storage vessel. 

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  • Original price $0.79 - Original price $0.79
    Original price
    $0.79
    $0.79 - $0.79
    Current price $0.79

    2 Stopper, Drilled

    in stock

    Description Drilled #2 Stopper with hole.  This will take any standard Airlock or 5/16" Blow Off Tubing, and is a standard size for fermentation bu...

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  • Original price $1.19 - Original price $1.19
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    Current price $1.19

    3 Stopper, Drilled

    Only 3 left!

    Description This drilled #3 Rubber Stopper is ideal for the Mangrove Jack Stainless Steel fermentor, or in any hole that needs to be plugged that i...

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  • Original price $1.69 - Original price $1.69
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    Current price $1.69

    #5 Solid Rubber Stopper

    in stock

    Description #5 Solid Rubber Stopper.  These will fit a variety of fermentation and lab vessels.  They are perfect for most 50 mL flasks, and they a...

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  • Original price $1.69 - Original price $1.69
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    Current price $1.69

    #5-1/2 Solid Rubber Stopper

    in stock

    Description #5-1/2 Solid Rubber Stopper.  This size stopper fits a variety of laboratory glass as well as just barely fitting into a glass carboy f...

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  • Original price $1.69 - Original price $1.69
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    $1.69
    $1.69 - $1.69
    Current price $1.69

    6 Stopper, Drilled

    Only 1 left!

    Description # 6 Rubber Stopper with 3/8" drilled center hole for your choice of airlock or 5/16" blowoff tube.  These are perfect for use with 1 ga...

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  • Original price $1.59 - Original price $1.59
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    Current price $1.59

    6.5 Stopper, Drilled

    in stock

    Drilled stopper, # 6.5. Top diameter: 1 3/8" Bottom diameter: 1 1/8" Perfect for 1 Gallon Carboys and 64 oz Growlers

  • Original price $1.49
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    Original price $1.49
    Current price $1.09
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    Current price $1.09

    Solid Rubber Stopper #6.5

    in stock

    This solid stopper works well with 1 gallon glass carboys as well as 3, 5, 6, 6.5. glass carboys.  Top diameter 34 mm, bottom diameter 27 mm, lengt...

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  • Original price $5.49 - Original price $5.49
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    Current price $5.49

    Silicone Stopper (Breathable) - Carboy

    Out of stock

    Fits 3,5,6 & 6.5 Gallon carboys and 500ml flasks. A breathable Silicone stopper that acts as both a stopper and an airlock. Unique design allow...

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  • Original price $1.69 - Original price $1.69
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    $1.69 - $1.69
    Current price $1.69

    7 Stopper, Drilled

    Out of stock

    # 7 Drilled Stopper, 1 3/16" (bottom) by 1 7/16" (top) These fit our 3, 5, and 6.5 gallon glass carboys

  • Original price $1.49
    Original price $1.49 - Original price $1.49
    Original price $1.49
    Current price $1.19
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    Current price $1.19

    Solid Rubber Stopper #7

    in stock

    This solid stopper works great with glass carboys. The solid design makes it easy to store your carboy without risk of anything getting into the ca...

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  • Original price $2.69 - Original price $2.69
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    Current price $2.69

    8 Stopper, Drilled

    Out of stock

    # 8 Drilled Stopper Top Diameter - 42 mm Bottom Diameter - 34 mm Length - 26 mm

  • Original price $4.79 - Original price $4.79
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    Current price $4.79

    9 Drilled Stopper

    Only 2 left!

    Description #9 Drilled Rubber Stopper.  These are typically ideal for Erlenmeyer Flasks.  This is a somewhat specialized stopper, but many 5 and 10...

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  • Original price $3.59 - Original price $3.59
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    Current price $3.59

    10 Stopper, Drilled

    in stock

    Description Our Drilled #10 Stopper fits all standard PET Carboys and Fermonsters, with a 3/8" hole for your airlock or 5/16" Blow Off Tubing.  Thi...

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  • Original price $4.99 - Original price $4.99
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    Current price $4.99

    Brewjacket Custom #10 Stopper - Package of 1

    Out of stock

    Description Single, #10 Custom Stopper for the Brewjacket.  Use this as an extra, or to replace a lost stopper.  This has 1.5" Hole for the Heat Rod.

  • Original price $2.99
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    Current price $2.09
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    Solid Rubber Stopper #10

    in stock

    This #10 solid stopper works well on PET carboys as well as Fermonsters. Top diameter 50 mm, bottom diameter 42 mm, length 25 mm.

  • Original price $4.69 - Original price $4.69
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    Current price $4.69

    10.5 Stopper, Drilled

    in stock

    Description Our Drilled #10.5 Stopper fits all standard PET Carboys and Fermonsters, with a 3/8" hole for your airlock or 5/16" Blow Off Tubing.  T...

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  • Original price $5.59 - Original price $5.59
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    Current price $5.59

    11.5 Stopper

    Only 2 left!

    Description Drilled #11.5 stopper with a hole for an airlock or 5/16" blow off tubing.  These are great for most full size barrels (59 gallon) and ...

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  • Original price $6.99 - Original price $6.99
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    Current price $6.99

    13 Stopper

    Only 1 left!

    Description Drilled #13 Stopper Rubber Stopper complete with 3/8" airlock hole.  Top Diameter is 2-11/16".  Bottom Diameter is 2-5/16".  Total Leng...

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  • Original price $1.49 - Original price $1.49
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    Current price $1.49

    Buon Vino Universal Stopper Small - Drilled

    in stock

    Description Fits 3, 5, 6, 6.5 gal Carboys Universal recessed rubber stopper that fits most size 6.5 to size 7 openings.  These are ideal when you n...

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  • Original price $1.49 - Original price $1.49
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    Current price $1.49

    Buon Vino Universal Stopper Small - Solid

    in stock

    Description The Buon Vino recessed line of stoppers are some of the best and most convenient on the market, and they have a size for almost any fer...

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  • Original price $2.99 - Original price $2.99
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    Current price $2.99

    Buon Vino Universal Medium Stopper - Drilled

    in stock

    Description The Buon Vino Recessed stoppers are the best way to gain a couple of extra inches in your fermentation chamber.  The medium stopper is ...

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  • Original price $3.69 - Original price $3.69
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    Current price $3.69

    Buon Vino Universal Intermediate Stopper - Drilled

    in stock

    Description The Buon Vino line of recessed stoppers are ideal in gaining you a few extra inches in your fermentation chamber.  The Intermediate sto...

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  • Original price $4.99 - Original price $4.99
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    Current price $4.99

    Buon Vino Universal Large Stopper - Drilled

    in stock

    Description The Buon Vino Recessed Stoppers make it easy to gain a few extra inches in your fermentation chamber.  The Buon Vino Large Stopper is 2...

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  • Original price $24.99 - Original price $24.99
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    Current price $24.99

    Stopper Thermowell

    Out of stock

    Stainless Steel Stopper Thermowell. A #6.5 Stopper with a custom, 15" Stainless Steel Thermowell attached. These work great in 3, 5, 6 and 6.5 ca...

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