7 gal | UnitankWe introduced our line of Unitanks with the nano sized 1 bbl Unitank, now we've made all the features of a professional Unitank available to the home brewer as well. 100% TC connections, lid mounted immersion chiller coil for temp control and crashing, and the ability to carbonate in vessel make the Unitank the very best fermenter on the market. Essential Kit Unitank Features Specs Unitank Advantages FTSs temp controller now sold as a bundled option