Rubber stopper for home brewing or wine making. Has 3/8in hole to fit standard airlocks. Fits most 1/2 gallon growlers and 1 gallon glass jugs. Made of natural pure gum rubber. Not for laboratory use.

Fitting Note: The opening of your carboy or fermenter should be approximately 1.02in (26mm) for the stopper to have a proper fit.

Specifications:
Size: #6
Type: Drilled
Top Diameter: 1-1/4in (32mm)
Bottom Diameter: 1in (26mm)
Length: 1in (25mm)
Hole Size: 3/8in (9mm)

• Size: #6
• Top Diameter: 1-1/4in (32mm)
• Bottom Diameter: 1in (26mm)
• Food grade natural pure gum rubber
• 5-Pack

Size: #6