5 Gallon Glass Carboy Go to amazon.com Related posts Top 9 carboys glass for 2022 Feature5 gallon glass carboyUsed for wine making or beer brewingCan use for fermentation of wine or beerAging of wineSmall mouth - takes a #7 stopper Description5 gallon glass carboy for making wine or brewing beer. Can use for fermentation of wine or beer or for aging wine. Small mouth - takes a #7 stopper.