Miller Coolmate 3 is a recirculating coolant system designed for water-cooled GTAW torches and GMAW guns, providing increased cooling capacity for welding applications. With a 3-gallon coolant tank, it delivers up to 14,000 BTU/hr of cooling power, maintaining a steady temperature for optimal welding performance. Its compact design and portability make it suitable for various welding environments. The Coolmate 3 features an easy-to-use control panel with a power switch and a flow indicator to monitor coolant circulation.