Here's our selection of industrial laser water chiller machines along with OMTech's antifreeze laser coolant. These are able to cool down laser tubes with reliability and ease. They come with a 1-year warranty and are compatible with all OMTech CO2 laser machines.
6L Industrial Single Water Chiller for 60W-150W CO2 Laser Engraver Machines
CO2 Antifreeze Laser Coolant Non-Conductive Liquid for Laser Engraver Water Chiller