1、Instantaneous Cooling and Temp Adjusting: The cold air cooling gun is instantaneous cooling, and can be quickly adjusted through the valve temperature. 2、Air Pressure and Flowing: This vortex cooling gun's air pressure is 7 bar and flowing is 10cfm, 283L per min. The vortex tube diameter is 38mm or 1.5in and length is 170mm or 6.7in. 3、Stable and Continuous Working: Cooling air gun kit can do stable and continuous working. Corrosion resistance, oxidation resistance, high temperature resistance, collision resistance. 4、Air Inlet and Cold Air End Thread: This air cooler gun's air inlet is G1/4 female thread and cold air end is G3/8 female thread. 5、Applicable Scenarios: Cold air cooling gun is no moving parts, no electricity, no chemicals, no electric sparking. Suitable for cooling plastic, metal, wood processing, welding, bonding, heat sealing, sewing needles, mold processing, etc.