#6.5 Hollow Rubber Tapered Bung – (Fits 1, 3, 5 & 6 Gallon Carboys & Jugs)

For more sizes and styles, see our complete collection of bungs.

The #6.5 Hollow Rubber Carboy Bung is designed to provide a secure, airtight seal for your fermentation vessels. Its hollow construction allows for slight compression, helping create a tighter fit while making insertion and removal easier.

This bung fits standard 1 gallon jugs, 3 gallon carboys, 5 gallon carboys, and 6 gallon carboys, making it a versatile choice for winemaking, brewing, and cider production.

Standard glass carboys typically use a #6.5 stopper with a 30mm opening, ensuring a snug and reliable fit.

Choose the option that fits your setup:

• Drilled (with hole): Designed for use with an airlock during active fermentation
• Solid (without hole): Ideal for sealing your vessel during storage or aging

Key Features:

• Hollow design for better compression and fit
• Fits 1 gallon jugs and 3, 5, and 6 gallon carboys
• Available in drilled and solid options
• Provides a tight, leak-resistant seal
• Reusable and easy to clean
• Drilled version fits standard airlocks

Note: Fit may vary slightly depending on the manufacturer of your container.