It is use copper pipe make the cooling coil cooler. The 5Gal(20L) Boiler Size:30x30x30CM, Condenser Size 20x20x13CM, Thump Keg Size 20x20x13CM -You will need (NOT include) : yeast, water supply, heat source(I suggest use induction cooker or gas stove) Package included: 1x Stainless Boiler 1x Thumper Keg 1x Condenser Keg 1 set necessary accessories(Exhaust Valve, Silicone tube , seals and gaskets, Fully accessories as the pictures show). International buyers please note: a.These charges are buyers responsibility. The item "20L 5Gal Copper Still Water Distiller Alcohol Moonshine Stainless Steel Boiler" is in sale since Saturday, December 21, 2019. This item is in the category "Home & Garden\Kitchen, Dining & Bar\Brewing, Distilling & Wine Making\Equipment". The seller is "ouyou2010" and is located in HK. This item can be shipped worldwide.