Complete kit: All the equipment necessary to ferment your next batch of beer or wine! 5 Gallon Carboy: This high quality 5 gallon carboy is perfect for making beer and wine, it's also great for making things like mead, cider, and many other things. 6.5 Gallon Bucket and Lid: This food grade plastic bucket is perfect for primary fermenting. Bung and Airlock: These two fit perfectly together and work to allow gases to escape the fermenters while ensuring that nothing gets in to the closed system. Home Brew Ohio Five Gallon Primary and Secondary Fermentation Set-Up (5 Gallon Carboy, 6.5 Gallon Bucket and lid, with Bung and Airlock) - The perfect kit that offers all the equipment needed to ferment your next batch of beer or wine. The 5 gallon carboy is made of high quality glass that will be able to last a long time if cared for and cleaned properly. The 6.5 gallon bucket and lid are made of high quality, food grade plastic that is very versatile and can be used to ferment many different things. The bung and airlock fit perfectly into the neck of the carboy and the airlock fits perfectly into the grommeted lid of the bucket.