Fermentation Airlock with #7 Bung – Fits 3–6 Gallon Glass Carboys

The Airlock and #7 rubber bung set is a simple and reliable solution for home fermentation. Designed to help protect your wine, cider, beer, or other fermenting beverages, this set allows gas to escape during fermentation while helping keep outside air and contaminants out.

This combination is designed for use with 3 gallon to 6 gallon glass carboys. The #7 rubber bung provides a secure fit for many standard carboys, making it a practical choice for home winemakers and brewers looking for a dependable fermentation setup.

Ideal for both beginners and experienced makers, this fermentation set works well for new batches or as a replacement for worn or misplaced components. Simply insert the bung into your carboy and attach the airlock to help maintain proper fermentation conditions.

• Includes 1 airlock and 1 #7 rubber bung
• Designed for many 3 gallon to 6 gallon glass carboys
• Helps release fermentation gas while reducing outside air exposure
• Suitable for winemaking, brewing, cider, mead, and other fermentation projects
• Great as a replacement or spare fermentation bung and airlock

Note: Fit may vary depending on the exact neck dimensions of your carboy.