9 Gallon Tuff-Tank Vessel - Our 9-gallon tuff tank vessel provides an easy & convenient way to handle any type of fermentation. This vessel comes with an air lock, which can be sealed up airtight. Can be used as both a primary or secondary fermenter. The Tuff-Tank Vessel also has a faucet, which can be used for both racking & bottling. The faucet has been strategically elevated away from the very bottom so that you can easily transfer your wine or beer without transferring the sediment.