product description Copper material The cooling tower is equipped with a cooling device made of red copper to make the cooling effect better. cooling tower size Cooling tower size details display, suitable for 12L/20L/35L/60L fermentation barrels. 12L fermentation barrel: 25*25cm 20L fermentation barrel: 25*40cm 35L fermentation barrel: 30*50cm 60L fermentation barrel: 35*60cm working principle The whole process of winemaking. The operation is simple, the principle is simple, and you can make your own wine at home. product details Thermometer, Pressure Relief Valve Pointer thermometer: You can observe the distillation temperature at any time. When the temperature reaches 80 degrees, the wine starts to be produced, and when it reaches 100 degrees, the distillation can be stopped. Safety relief valve: When the pressure in the tower is too high, it will automatically release the pressure. Hoop seal, thickened material Hoop seal: 360 degree full seal, the lid comes with a sealing ring. The interface is equipped with a sealing ring, which is fully sealed and airtight. Thicken the bottom of the barrel, the wall of the barrel: 1mm thick, the real material. Suitable for a variety of stoves, such as induction cooker, gas stove, firewood and other heating. Suitable for a variety of wines It is suitable for the brewing of a variety of wines, such as liquor, pure dew, distillation, fruit wine, whiskey, brandy, wine, grain wine. One device can make a variety of wines.