The copper coil with fast thermal conductivity ensures good cooling performance and a large contact area with the coolant. The cold water is stably supplied to the lower inlet, and the hot water is discharged from the upper outlet to achieve efficient cooling. We use food-grade silicone tubes with greater flexibility to ensure a better seal, and four upgraded sealing buckles and silicone sealing rings make it a tight fit. The upgraded one-way exhaust valve makes it easier for you to control and brew water or wine.Our still for moonshine can be used in different situations, such as alcohol, ethanol, whiskey, distilled water, brewing, essential oils, hydrosols, etc. As long as you have this device, you can meet various needs, and it allows multiple heating methods, including gas stoves, firewood, electric ceramic heaters, etc. We strive to provide you with the highest quality products. We appreciate your comments and suggestions. Come back and fulfill your needs. Let us know if there is anything else you need. This item is in the category "Home & Garden\Kitchen, Dining & Bar\Brewing, Distilling & Wine Making\Equipment". The seller is "omeudaya0" and is located in this country: US. This item can be shipped worldwide.