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#11 Solid Rubber Stopper (SRS)

The #11 Solid Rubber Stopper (SRS) is a pure white gum laboratory stopper. The top diameter is 2 1/4" and the bottom diameter is 1 15/16". It is a solid stopper, perfect for sealing a fermenter in which fermentation has...

#5 Drilled Rubber Stopper (DRS)

Our #5 Drilled Rubber Stopper (DRS) is a pure lab stopper and has a top diameter of 1 1/16", a bottom diameter of 15/16", and a 3/8" hole drilled in the center, perfect for an airlock. The #5 rubber stopper is also available as a...

#13 Drilled Rubber Stopper (DRS)

Our #13 Drilled Rubber Stopper (DRS) is a pure white gum laboratory stopper. The top diameter is 2 11/16", the bottom diameter is 2 5/16", and it has a 3/8" hole drilled in the center, the perfect size for an airlock. ...

#2 Solid Rubber Stopper (SRS)

Our #2 Solid Rubber Stopper (SRS) is a solid pure white gum laboratory stopper. The top diameter is 13/16" and the bottom diameter is 5/8". This stopper is solid and does not have a hole drilled in it. A perfect...

Universal Carboy Stopper - 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 most 3, 5, 6, and 6.5 gallon glass carboys. 1 1/8"...

Champagne Stopper, Plastic, Bag of 100

Use these plastic champagne stoppers in conjunction with the champagne wires to bottle carbonated wine in champagne bottles. These go in easily by hand.  Sold here in a bag of 100 plastic stoppers. We also sell these by the single...

Foam Stopper (fits 1000mL and 2000mL Flasks)

This foam stopper has a 1 3/4" diameter and fits 1000mL and 2000mL flasks. It is perfect for making stoppers, because it will allow some oxygen to pass without letting harmful bacteria or bugs pass.

Champagne Stopper, Plastic, Single

Use these plastic champagne stoppers in conjunction with the champagne wires to bottle carbonated wine in champagne bottles. These go in easily by hand.  Sold here by the single plastic stopper. We also sell these by the  dozen (12) stoppers or in...

Tapered Cork #7, Single

#7 tapered corks measure 5/8" by 13/16" and fit most beer and wine bottles. This is a single #7 tapered cork.

Erlenmeyer Flask - 1000mL

This 1000 erlenmeyer flask is made from borosilicate type glass which is nice because they can be transferred directly from heat to ice and not crack like normal glass. (We do not recommend the use of an electric element. If...

#11.5 Solid Rubber Stopper (SRS)

The #11.5 Solid Rubber Stopper (SRS) is a pure white gum laboratory stopper. The top diameter is 2.5" and the bottom diameter is 2". This solid stopper is great for using when fermentation has ceased or if you are storing...

#11.5 Drilled Rubber Stopper (DRS)

The #11.5 Drilled Rubber Stopper (DRS) is a pure white gum laboratory stopper. The top diameter is 2.5", the bottom diameter is 2", and it has a 3/8" hole drilled in the center, the perfect size for an airlock. The 11.5 rubber...