Stoppers & Airlocks

Rubber stoppers with a hole drilled in the center, perfectly sized to accept airlocks or what have you.
All suggested "Best Fits" are approximates.
If you've got an older carboy, jug or bottle, be sure to measure the mouth and use the dimensions provided.

Stopper Size

Best Fit

Top Diameter in.

Bottom Diameter in.

2

Beer Bottle

13/16

5/8

3

9/10

3/4

5.5

1-1/8

3-1/32

6

1 & 2 gal. Jugs

1-1/8

1-1/16

6.5

6 gal. Carboy

1-3/8

1-1/8

7

1-7/16

1-3/16

7.5

1-1/2

1-1/4

8

1-5/8

1-3/8

8.5

1-11/16

1-7/16

9.5

1-13/16

1-1/2

10

Better Bottles

1-15/6

1-5/8

10.5

2-1/16

1-3/4

11

15 gal. Demijohn

2-1/4

1-15/16

11.5

2-15/32

1-31/32

12

1-1/8

2-1/2

13

2-11/16

2-5/16




Model Product Image Item Name Price
Airlock - 2Bubble - 4602/5000ih Air-Lock - Double Bubble

Air-Lock - Double Bubble

DOUBLE BUBBLE AIRLOCK This airlock or fermentation lock is filled partially with liquid and it sticks in the top of a drilled stopper and into the...
$1.15

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Airlock - 3Piece - 4600/5010ih Airlock - 3-Piece

Airlock - 3-Piece

3-PIECE AIRLOCK This airlock or fermentation lock is filled partially with liquid and it sticks in the top of a drilled stopper and into the top of...
$1.15

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Stopper-Drilled-#2 - 4608/5100ih Stopper - Drilled - #2

Stopper - Drilled - #2

RUBBER STOPPER - DRILLED - #2 Solid gum rubber stoppers provide a positive seal on Bottles, Carboys, etc. Fits most beer bottles. SIZE: Top: 13/16"...
$0.60

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Stopper-Drilled-#3 - 4609/5102ih Stopper - Drilled - #3

Stopper - Drilled - #3

RUBBER STOPPER - DRILLED - #3 Solid gum rubber stoppers provide a positive seal on Bottles, Carboys, etc. SIZE: Top: 15/16" Btm: 3/4"
$1.10

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Stopper-Drilled-#5.5-4610/5104ih Stopper - Drilled - #5.5

Stopper - Drilled - #5.5

RUBBER STOPPER - DRILLED - #5.5 Solid gum rubber stoppers provide a positive seal on Bottles, Carboys, etc. SIZE: Top: 1-1/8" Btm: 31/32"
$1.20

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Stopper-Drilled-#6 - 4612/5106ih Stopper - Drilled - #6

Stopper - Drilled - #6

RUBBER STOPPER - DRILLED - #6 Solid gum rubber stoppers provide a positive seal on Bottles, Carboys, etc. Fits 1& 2 gallon jugs SIZE: Top:...
$1.20

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Stopper-Drilled-#6.5-4616/5108ih Stopper - Drilled - #6.5

Stopper - Drilled - #6.5

RUBBER STOPPER - DRILLED - #6.5 Solid gum rubber stoppers provide a positive seal on Bottles, Carboys, etc. Fits 6 gallon Carboys SIZE: Top: 1-3/8"...
$1.20

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Stopper-Drilled-#7-4620/5110ih Stopper - Drilled - #7

Stopper - Drilled - #7

RUBBER STOPPER - DRILLED - #7 Solid gum rubber stoppers provide a positive seal on Bottles, Carboys, etc. Fits 6 gallon Carboys SIZE: Top: 1-7/16"...
$1.45

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Stopper-Drilled-#7.5-4622/5112ih Stopper - Drilled - #7.5

Stopper - Drilled - #7.5

RUBBER STOPPER - DRILLED - #7.5 Solid gum rubber stoppers provide a positive seal on Bottles, Carboys, etc. Fits 6 gallon Carboys SIZE: Top: 1-1/2"...
$1.75

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Stopper-Drilled-#8 - 4624/5114ih Stopper - Drilled - #8

Stopper - Drilled - #8

RUBBER STOPPER - DRILLED - #8 Solid gum rubber stoppers provide a positive seal on Bottles, Carboys, etc. SIZE: Top: 1-5/8" Btm: 1-3/8"
$2.60

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Stopper-Drilled-#8.5 - 4626 Stopper - Drilled - #8.5

Stopper - Drilled - #8.5

RUBBER STOPPER - DRILLED - #8.5 Solid gum rubber stoppers provide a positive seal on Bottles, Carboys, etc. SIZE: Top: 1-11/16" Btm: 1-7/16"
$1.80

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Stopper-Drilled-#9.5 - 4628 Stopper - Drilled - #9.5

Stopper - Drilled - #9.5

RUBBER STOPPER - DRILLED - #9.5 Solid gum rubber stoppers provide a positive seal on Bottles, Carboys, etc. SIZE: Top: 1-13/16" Btm: 1-1/2"
$2.20

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Stopper-Drilled-#10 - 4629 Stopper - Drilled - #10

Stopper - Drilled - #10

RUBBER STOPPER - DRILLED - #10 Solid gum rubber stoppers provide a positive seal on Bottles, Carboys, etc. Fits Better Bottles SIZE: Top:...
$2.00

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Stopper-Drilled-#10.5 - 4630 Stopper - Drilled - #10.5

Stopper - Drilled - #10.5

RUBBER STOPPER - DRILLED - #10.5 Solid gum rubber stoppers provide a positive seal on Bottles, Carboys, etc. SIZE: Top: 2-1/16" Btm: 1-3/4"
$2.75

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Stopper-Drilled-#11 - 4632 Stopper - Drilled - #11

Stopper - Drilled - #11

RUBBER STOPPER - DRILLED - #10.5 Solid gum rubber stoppers provide a positive seal on Bottles, Carboys, etc. Fits 15 gallon Demijohns SIZE: Top:...
$2.25

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Stopper-Drilled-#11.5 - 4634 Stopper - Drilled - #11.5

Stopper - Drilled - #11.5

RUBBER STOPPER - DRILLED - #11.5 Solid gum rubber stoppers provide a positive seal on Bottles, Carboys, etc. SIZE: Top: 2-15/32" Btm:...
$4.50

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Stopper-Drilled-#12 - 4636 Stopper - Drilled - #12

Stopper - Drilled - #12

RUBBER STOPPER - DRILLED - #12 Solid gum rubber stoppers provide a positive seal on Bottles, Carboys, etc. SIZE: Top: 2-9/16" Btm: 2-1/8"
$4.30

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Stopper-Drilled-#13 - 4638 Stopper - Drilled - #13

Stopper - Drilled - #13

RUBBER STOPPER - DRILLED - #13 Solid gum rubber stoppers provide a positive seal on Bottles, Carboys, etc. SIZE: Top: 2-11/16" Btm: 2-5/16"
$3.75

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