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Fermenter Air locks and Stoppers

Brewing airlocks and stoppers protect your beer from oxygenation. During fermentation an airlock allows CO2 to escape but prevents oxygen and other contaminates from entering the fermenting beer. Proper fitting stoppers are key to this process as well as for aging your beer. 

  • Three Piece Air Lock

    3 Piece Airlock

    3 Piece Airlock The 3 piece airlock when used during fermentation allows CO2 to bubble out while providing a protective barrier for your beer or wine from bacteria and oxygen. It has the added advantage of being easy to clean. Use with plastic...

    $1.95
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  • Twin Bubble S-Shaped Airlock

    Twin Bubble S-Shaped Airlock

    Twin Bubble S-Shaped Airlock The s-shape airlock is the preferred style for secondary fermentations. Though it works great with primary fermentation the S bubble design allows for viewing pressure in the fermenter and for slower...

    $1.95
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  • No 2  Drilled Stopper

    No 2 Drilled Stopper

    No. 2 Drilled Rubber Stopper Moulded stopper made of food grade material free from BPA. Stoppers provide an air-tight seal when proper size is used. They stick perfectly to Glass and PET, even when they are wet. Comes with moulded hole for airlock...

    $0.60
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  • No 2  Solid Stopper

    No 2 Solid Stopper

    No. 2 Solid Rubber Stopper Moulded stopper made of food grade material free from BPA. Stoppers provide an air-tight seal when proper size is used. They stick perfectly to Glass and PET, even when they are wet. 3/4" Top Diameter 5/8” Bottom...

    $0.60
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  • No 5.5  Drilled Stopper

    No 5.5 Drilled Stopper

    No. 5.5 Drilled Rubber Stopper Moulded stopper made of food grade material free from BPA. Stoppers provide an air-tight seal when proper size is used. They stick perfectly to Glass and PET, even when they are wet. Comes with moulded hole for...

    $0.85
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  • No 5.5 Solid Stopper

    No 5.5 Solid Stopper

    No. 5.5 Solid Rubber Stopper Moulded stopper made of food grade material free from BPA. Stoppers provide an air-tight seal when proper size is used. They stick perfectly to Glass and PET, even when they are wet.  Top Diameter - 1-1/8' Bottom...

    $0.90
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  • No 6.5 Drilled Stopper

    No 6.5 Drilled Stopper

    No. 6.5 Drilled Rubber Stopper Moulded stopper made of food grade material free from BPA. Stoppers provide an air-tight seal when proper size is used. They stick perfectly to Glass and PET, even when they are wet. Comes with moulded hole for...

    $1.09
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  • No 6.5 Solid Stopper

    No 6.5 Solid Stopper

    No. 6.5 Solid Rubber Stopper Moulded stopper made of food grade material free from BPA. Stoppers provide an air-tight seal when proper size is used. They stick perfectly to Glass and PET, even when they are wet.  Top Diameter -...

    $1.05
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  • No 6 Solid Stopper

    No 6 Solid Stopper

    No. 6 Solid Rubber Stopper Moulded stopper made of food grade material free from BPA. Stoppers provide an air-tight seal when proper size is used. They stick perfectly to Glass and PET, even when they are wet. Comes with moulded hole for airlock...

    $0.99
    Add to Cart
  • No 6 Drilled Stopper

    No 6 Drilled Stopper

    No. 6 Drilled Rubber Stopper Moulded stopper made of food grade material free from BPA. Stoppers provide an air-tight seal when proper size is used. They stick perfectly to Glass and PET, even when they are wet. Comes with moulded hole for airlock...

    $0.99
    Add to Cart
  • No 7 Drilled Stopper

    No 7 Drilled Stopper

    No. 7 Drilled Rubber Stopper Moulded stopper made of food grade material free from BPA. Stoppers provide an air-tight seal when proper size is used. They stick perfectly to Glass and PET, even when they are wet. Comes with moulded hole for airlock...

    $1.14
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  • No 7 Solid Stopper

    No 7 Solid Stopper

    No. 7 Solid Rubber Stopper Moulded stopper made of food grade material free from BPA. Stoppers provide an air-tight seal when proper size is used. They stick perfectly to Glass and PET, even when they are wet.  Top Diameter - 1-3/8' Bottom...

    $1.18
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