1、[No Need of Electricity] Cold air cooling gun without moving parts, without any chemical substances. No electricity, no electric spark generation. 2、[Stable Performance] A vital piece of equipment for providing cooling applications in harsh industrial environments, the cold air gun can work continuously and consistently. 3、[High Efficiency] The cold air gun produces cold air quickly and can be adjusted quickly by means of a valve, without the need for other cooling enzymes, making it efficient, environmentally friendly and energy saving. 4、[Aluminum Alloy] The cold air gun set is made of aluminium alloy, durable, corrosion resistant, oxidation resistant, high temperature resistant, small size, light weight and impact resistant. 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.