Cooltube Inc is a refrigeration evaporator coil Manufacturing company that makes the Cooltube refrigeration evaporator coil that is a medium temperature. Cooltube's patented design allows you to customize cooling for your needs. Cooltube™ is an innovative refrigeration method completely unlike the more traditional evaporator units. It contains a single metal (copper) evaporator, corrosive resistant durable ABS Plastic and includes directional airflow vents down its coil length. Easily retrofitted into existing refrigeration cases, Cooltube™ is an efficient and effective alternative to your current evaporator cooling unit.