CW-6500 industrial water chiller unit is the result of many years of research and expertise and is highly recommended for cooling 500W RF Co2 laser. It can provide consistent cooling while at the same time offering a high degree of energy efficiency. With this chiller, optimum cutting quality and speed of your CO2 laser cutting machine can be achieved. The core components like evaporator, condenser and outer casings are manufactured independently by ourselves to ensure high quality standard. The thoughtful details like visual water level check and the intelligent temperature controller integrated with alarm functions are the result of our close cooperation with users.