Double Distillation: The built-in thumper keg helps increase alcohol purity and reduce repeated distillation steps. You can also add fruits, spices, or botanicals to create personalized flavored spirits 8 gal Large Capacity: You can distill more liquid in one batch to meet the needs of gatherings of 5-8 people or home brewing. The lcohol still is ideal for DIY distilling, party drinks, or home brewing enthusiasts Efficient, Stable Cooling: The water pump continuously circulates cooling water to improve condensation efficiency and reduce water change frequency. The open cooling alcohol distiller provides a larger heat dissipation area Food-grade Stainless Steel: The main barrel, condenser barrel, and thumper keg are all made of food-grade stainless steel. This wine making boiler offers a solid structure and long-lasting use Dual-scale Thermometer: The home distilling kit is equipped with a dual-scale thermometer (50F to 400F / 0C to 200C ) for convenient temperature monitoring. The simple structure allows quick installation and easy use, even for beginners