Beer cooler is with water cooling system. Available with 2,4 and 6 coils. The cooling coils are made from stainless steel. The cooler also includes an adjustable temperature control with 7 different settings. Lenght of the coils: beer cooler with 2 coils - 14/14 m beer cooler with 4 coils - 14/14/12/12 m beer cooler with 6 coils - 14/14/12/12/10/10