1、Aluminum Alloy Heat Sink: The vortex air cooling gun with aluminum alloy heat sink, strong heat dissipation, high efficiency, rapid production of cold air, and can be quickly adjusted through the valve. 2、No Need of Electricity: Cold air cooling gun without moving parts, without any chemical substances. No electricity, no electric spark generation. 3、Resistant to Corrosion and Oxidation: The cold air cooling gun is resistant to corrosion, oxidation and high temperature, and does not require other cold enzymes, which is environment friendly, energy saving, safe and reliable. 4、Shockproof: The vortex air cooling gun is an important device for providing cooling applications in harsh industrial environments, small size, light weight, shockproof, and can work continuously and stably. 5、Versatile: Cold air cooling gun is used for cooling on plastic or metal processing, wood processing, welding, bonding, heat sealing, mold processing and other manufacturing industries.