Universal Small Drilled Carboy Bung - Perfect for Homebrewing, Fermentation & Wine Making - Airtight Seal for Carboys, Demijohns & Fermenters

The small universal carboy bung- drilled works on 3, 5, 6 and 6.5 gallon glass carboys. These bungs have a graduated taper which provides a snug fit and seal on any Size carboy. It is already drilled for you to insert your airlock. No longer worry if you have the right Size bung for your carboy. The lip prevents the bung from falling into the carboy.