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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. 
  • Drilled #2 Stopper
    # 2 Stopper, Drilled
    Original price $0.70 - Original price $0.70
    Original price
    $0.70
    $0.70 - $0.70
    Current price $0.70

    2 Stopper, Drilled

    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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  • Drilled #3 Stopper
    Stopper, bung, stoppers, #3 Stopper, 3, plug, airlock, stop, Mangrove Jack fermenter, mangrove jack fermento
    Original price $0.80 - Original price $0.80
    Original price
    $0.80
    $0.80 - $0.80
    Current price $0.80

    3 Stopper, Drilled

    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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  • Solid #5 Stopper
    #5 Solid Rubber Stopper
    Original price $1.69 - Original price $1.69
    Original price
    $1.69
    $1.69 - $1.69
    Current price $1.69

    #5 Solid Rubber Stopper

    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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  • #5.5 Solid Rubber Stopper Bung
    Stopper, bung, stoppers, #5.5 Stopper, 5.5, plug, airlock
    Original price $1.69 - Original price $1.69
    Original price
    $1.69
    $1.69 - $1.69
    Current price $1.69

    #5-1/2 Solid Rubber Stopper

    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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  • Rubber Stopper #6 with Airlock hole
    #6 Rubber Stopper with airlock hole
    Original price $1.25 - Original price $1.25
    Original price
    $1.25
    $1.25 - $1.25
    Current price $1.25

    6 Stopper, Drilled

    For use with 1 gallon glass jars. 3/8" drilled center hole. Top diameter: 1 1/8" Bottom diameter: 1 1/16"

  • Rubber Stopper #6.5
    #6.5 Rubber Stopper with airlock hole
    Original price $1.25 - Original price $1.25
    Original price
    $1.25
    $1.25 - $1.25
    Current price $1.25

    6.5 Stopper, Drilled

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

  • Solid Rubber Stopper #6.5
    #6.5 Solid Rubber Stopper
    Save 27% Save %
    Original price $1.49
    Original price $1.49 - Original price $1.49
    Original price $1.49
    Current price $1.09
    $1.09 - $1.09
    Current price $1.09

    Solid Rubber Stopper #6.5

    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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  • Silicone Stopper (Breathable) - Carboy
    Original price $5.49 - Original price $5.49
    Original price
    $5.49
    $5.49 - $5.49
    Current price $5.49

    Silicone Stopper (Breathable) - Carboy

    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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  • Drilled #7 Stopper
    #7 Rubber stopper with airlock hole
    Original price $1.50 - Original price $1.50
    Original price
    $1.50
    $1.50 - $1.50
    Current price $1.50

    7 Stopper, Drilled

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

  • Solid Rubber Stopper #7
    Save 20% Save %
    Original price $1.49
    Original price $1.49 - Original price $1.49
    Original price $1.49
    Current price $1.19
    $1.19 - $1.19
    Current price $1.19

    Solid Rubber Stopper #7

    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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  • #8 Drilled Stopper
    Original price $1.85 - Original price $1.85
    Original price
    $1.85
    $1.85 - $1.85
    Current price $1.85

    8 Stopper, Drilled

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

  • #9 Drilled Rubber Stopper
    Original price $1.99 - Original price $1.99
    Original price
    $1.99
    $1.99 - $1.99
    Current price $1.99

    9 Drilled Stopper

      #9 Drilled Rubber Stopper.  

  • #10 Stopper with Hole
    Original price $3.25 - Original price $3.25
    Original price
    $3.25
    $3.25 - $3.25
    Current price $3.25

    10 Stopper, Drilled

    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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  • Brewjacket Immersion Pro Single Custom #10 Stopper Only
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    Original price $4.99 - Original price $4.99
    Original price
    $4.99
    $4.99 - $4.99
    Current price $4.99

    Brewjacket Custom #10 Stopper - Package of 1

    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.

  • Solid Rubber Stopper #10
    Save 30% Save %
    Original price $2.99
    Original price $2.99 - Original price $2.99
    Original price $2.99
    Current price $2.09
    $2.09 - $2.09
    Current price $2.09

    Solid Rubber Stopper #10

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

  • #10.5 Rubber Stopper with Hole
    Original price $4.25 - Original price $4.25
    Original price
    $4.25
    $4.25 - $4.25
    Current price $4.25

    10.5 Stopper, Drilled

    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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  • 11.5 Stopper
    Original price $5.59 - Original price $5.59
    Original price
    $5.59
    $5.59 - $5.59
    Current price $5.59

    11.5 Stopper

    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 $5.99 - Original price $5.99
    Original price
    $5.99
    $5.99 - $5.99
    Current price $5.99

    13 Stopper

    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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  • Universal Rubber Buon Vino Stopper Small
    Original price $1.49 - Original price $1.49
    Original price
    $1.49
    $1.49 - $1.49
    Current price $1.49

    Buon Vino Universal Stopper Small - Drilled

    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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  • Universal Rubber Buon Vino Small Stopper SOLID
    Original price $1.49 - Original price $1.49
    Original price
    $1.49
    $1.49 - $1.49
    Current price $1.49

    Buon Vino Universal Stopper Small - Solid

    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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  • Universal Rubber Stopper Buon Vino Medium
    Original price $2.99 - Original price $2.99
    Original price
    $2.99
    $2.99 - $2.99
    Current price $2.99

    Buon Vino Universal Medium Stopper - Drilled

    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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  • Universal Rubber Buon Vino Stopper Intermediate
    Original price $3.69 - Original price $3.69
    Original price
    $3.69
    $3.69 - $3.69
    Current price $3.69

    Buon Vino Universal Intermediate Stopper - Drilled

    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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  • Universal Rubber Buon Vino Stopper Large
    Original price $4.99 - Original price $4.99
    Original price
    $4.99
    $4.99 - $4.99
    Current price $4.99

    Buon Vino Universal Large Stopper - Drilled

    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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  • Stopper Thermowell
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    Original price $24.99 - Original price $24.99
    Original price
    $24.99
    $24.99 - $24.99
    Current price $24.99

    Stopper Thermowell

    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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