BrewDemon Conical Fermenter - Amber The World's first small batch conical fermenting system! New and improved with a thicker spigot area an upgraded spigot! Perfect for brewing 2 or 2.5 gallon batches of cider, beer, wine, etc... Includes adjustable flow spigot, stick-on temperature gauge, CO2 venting plug and bubbler upgrade (airlock and lid gasket). Completely reusable. No airlock required!