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#7.5 Drilled Rubber Stopper (DRS)

This #7.5 Drilled Rubber Stopper (DRS) has a top diameter of 1 1/2", a bottom diameter of 1 1/4", and has a 3/8" hole drilled in the center, the perfect size for an airlock. The #7.5 rubber stopper fits most 1000 ml Erlenmeyer Flasks and is also available...

#7.5 Solid Rubber Stopper (SRS)

This #7.5 Solid Rubber Stopper (SRS) is a solid pure white gum laboratory stopper with a top diameter of 1 1/2" and a bottom diameter of 1 1/4". It does not have a hole drilled in it, making it the perfect stopper to use...

#5.5 Solid Rubber Stopper (SRS)

This #5.5 Solid Rubber Stopper (SRS) is a solid lab stopper. The top of the stopper's diameter is 1 1/8" and the bottom diameter is 1". It does not have a hole drilled in it, the perfect stopper to use...

#7 Solid Rubber Stopper (SRS)

This #7 Solid Rubber Stopper (SRS) has a top diameter of 1 7/16" and a bottom diameter of 1 3/16". This 7 solid rubber stopper does not have a hole drilled in it, making it perfect for use if fermentation is done or for...

#5 Solid Rubber Stopper (SRS)

This #5 Solid Rubber Stopper (SRS) is a solid pure white gum laboratory stopper. The top diameter is 1 1/16" and the bottom diameter is 15/16". It is solid (no hole), a perfect stopper to use if your fermentation is...

#7 Drilled Rubber Stopper (DRS)

This #7 Drilled Rubber Stopper (DRS) has a diameter of 1 7/16", a bottom diameter of 1 3/16", and a 3/8" hole drilled in the center, a perfect size for an airlock. This #7 rubber stopper fits most 3, 5, 6, and 6.5 gallon glass carboys. It sits higher...

#8 Drilled Rubber Stopper (DRS)

This #8 Drilled Rubber Stopper (DRS) is a pure white gum laboratory stopper and has a top diameter of 1 5/8", a bottom diameter measuring 1 3/8", and it has a 3/8" hole drilled in the center, a perfect size for an airlock. This #8...

#9 Solid Stopper (SRS)

This #9 Solid Rubber Stopper (SRS) is an undrilled pure laboratory stopper with a top diameter measuring 1 3/4" and a bottom diameter measuring 1 1/2". This stopper is perfect for using when your homebrew or wine fermentation is complete or if you...

#8.5 Solid Rubber Stopper (SRS)

Our #8.5 Solid Rubber Stopper (SRS) is made of a solid pure white gum. It has a top diameter measuring 1 11/16" and a bottom diameter of 1 7/16". It is solid, so it is the perfect stopper to use if fermentation has ceased...

Universal Stopper Size #10 - Solid (SRS)

This solid universal stopper is a white rubber bung with a long taper for a snug fit and better seal. It also has a lip to prevent the bung from falling into the carboy. Fits Better Bottle carboys. 1 11/16" x...

#10.5 Solid Rubber Stopper (SRS)

The #10.5 Solid Rubber Stopper (SRS) is a pure white gum laboratory stopper. The top diameter is 2 1/16" and the bottom diameter is 1 3/4". It is solid, with no hole drilled in it, so it is perfect for...

Universal Stopper Size #11-11.5 - Drilled (DRS)

This drilled universal demijohn stopper is a white rubber bung with a long taper for a snug fit and better seal. It also has a lip to prevent the bung from falling into the carboy. Fits 54L Demi-John. 1 7/8" x 2...

Universal Stopper Size #11-11.5 - Solid (SRS)

This solid universal demijohn stopper is a white rubber bung with a long taper for a snug fit and better seal. It also has a lip to prevent the bung from falling into the carboy. Fits 54L Demi-John. 1 7/8" x...

#8 Solid Rubber Stopper (SRS)

This #8 Solid Rubber Stopper (SRS) is a solid pure white gum laboratory stopper that has a top diameter of 1 5/8" and a bottom diameter of 1 3/8". This stopper does not have a hole drilled in it, making it the perfect...

#6.5 Solid Rubber Stopper (SRS)

This #6.5 Solid Rubber Stopper (SRS) is a solid pure white gum laboratory stopper and has a top diameter of 1 3/8" and a bottom diameter of 1 1/8". This 6.5 SRS does not have a hole drilled in it, making it perfect...

#3 Solid Rubber Stopper (SRS)

Our #3 Solid Rubber Stopper (SRS) is a solid white gum stopper. The top diameter measures 15/16" and the bottom diameter measures 3/4". The SRS stopper is solid and does not have a hole drilled in it. A perfect stopper...

#6.5 Drilled Rubber Stopper (DRS)

This #6.5 Drilled Rubber Stopper (DRS) has a top diameter of 1 3/8", bottom diameter of 1 1/8", and a 3/8" hole drilled in the center, perfect for an airlock. Our #6.5 rubber stopper fits most 3, 5, 6, and 6.5 gallon glass...

#13 Solid Rubber Stopper (SRS)

Our#13 Solid Rubber Stopper (SRS) is a pure white gum laboratory stopper. The top diameter is 2 11/16" and the bottom diameter is 2 5/16". It is solid so it is perfect for stopping up a fermentor after fermentation has...

Universal Stopper Size #10 - Drilled (DRS)

This drilled universal stopper is a white rubber bung with a long taper for a snug fit and better seal. It also has a lip to prevent the bung from falling into the carboy. Fits Better Bottle carboys. 1 11/16" x 2...

#8.5 Drilled Rubber Stopper (DRS)

This #8.5 Drilled Rubber Stopper (DRS) is a pure lab stopper with a top diameter of 1 11/16", a bottom diameter of 1 7/16", and containing a 3/8" hole drilled in the center, the perfect size for an airlock.

#12 Solid Rubber Stopper (SRS)

Our #12 Solid Rubber Stopper (SRS) is a pure white gum laboratory stopper. The top diameter is 2 9/16" and the bottom diameter is 2 1/8", and it is solid. Perfect for use when fermentation is complete or to store...

#3 Drilled Rubber Stopper (DRS)

Our #3 Drilled Rubber Stopper (DRS) is a pure laboratory stopper. The top diameter measures 15/16", the bottom diameter measures 3/4", and has a 3/8" hole drilled in the center, the perfect size for an airlock. This #3 rubber stopper is...

#10 Solid Rubber Stopper (SRS)

The #10 Solid Rubber Stopper (SRS) is a solid pure white gum laboratory stopper. The top diameter is 1 15/16" and the bottom diameter is 1 5/8". This stopper is solid and does not have a hole drilled in it....

#6 Solid Rubber Stopper (SRS)

Our #6 Solid Rubber Stopper (SRS) is a solid pure gum laboratory stopper. The top diameter of the stopper is 1 1/8" and the bottom diameter of the stopper is 1 1/16". It does not have a hole, making it...

#9.5 Drilled Rubber Stopper (DRS)

Our #9.5 Drilled Rubber Stopper (DRS) is a pure white gum laboratory stopper that has a top diameter of 1 13/16", a bottom diameter of 1 1/2", and a 3/8" hole drilled in the center, the perfect size for an airlock. This stopper fits...

#10.5 Drilled Rubber Stopper (DRS)

The #10.5 Drilled Rubber Stopper (DRS) is a pure white gum laboratory stopper. The top diameter is 2 1/16", the bottom diameter is 1 3/4", and it has a 3/8" hole drilled in the center, the perfect size for an airlock. ...

#4 Solid Rubber Stopper (SRS)

This #4 Solid Rubber Stopper (SRS) is a solid pure laboratory stopper. It has a top diameter of 1" and a bottom diameter of 13/16". It is solid and does not have a hole drilled in it, so it is a...

#12 Drilled Rubber Stopper (DRS)

The #12 Drilled Rubber Stopper (DRS) is a pure white gum laboratory stopper. The top diameter is 2.5625", the bottom diameter is 2.125", and it has a 3/8" hole drilled in the center, the perfect size for an airlock. The 12 rubber...

#10 Drilled Rubber Stopper (DRS)

The #10 Drilled Rubber Stopper (DRS) is a pure white gum laboratory stopper. The top diameter is 1 15/16", the bottom diameter is 1 5/8", and it has a 3/8" hole drilled in the center, the perfect size for an...

#6 Drilled Rubber Stopper (DRS)

Our #6 Drilled Rubber Stopper (DRS) is a pure white gum laboratory stopper. It has a top diameter of 1 1/8", a bottom diameter of 1 1/16", and has a 3/8" hole drilled in the center, perfect for a 3-piece airlock or ripple airlock. Great...

Wine Saver Replacement Stoppers from Vacu Vin (2 per Pack)

A set of 2 additional stoppers for the Vacu Vin wine saver pump. Simply place one of these stoppers on an opened bottle of wine, use the pump to pump out the oxygen in the head space, and give your...

Thermowell Stopper

This carboy thermowell is used in conjunction with digital controllers to more accurately regulate internal temperature during fermentation. It is exceptionally useful during the start of fermentation when the lag between ambient temperature in the refrigerator and actual temperature in...

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