Feature:1. INSTANTLY COOLING: The air cooling gun can instantly cool down, you can quickly adjust the temperature through the valve.2. HIGH STABILITY: The flexible cold air gun can provide cooling applications in harsh industrial environments and can work continuously and stably.3. SAFE TO USE: The cold air gun has no moving parts, no electricity, no chemicals, and no electric sparks, making it very safe to use.4. LASTING DURABILITY: The air cooling gun is resistant to corrosion, oxidation and high temperature, has lasting durability.5. WIDE USAGE: This cold air gun is used for cooling plastic, metal or wood processing, welding, bonding, heat sealing, sewing needles, mold processing, etc.Specification:Item Type: Cold Air Dry Cooling GunMaterial: Aluminum AlloyAir Pressure: 7 barFlow: 8cfm, 220L/minRefrigeration Capacity: 520BTU/h, 131Kcal/HVortex Tube Diameter: Approx. 28mm/1.1inVortex Tube Length: Approx. 120mm/4.7inInlet Hole: Female Thread G1/8Cold Air End: Female Thread G1/4Outline: 08 Miniature.Package List:1 x Vortex Tube2 x Connector1 x Universal Tube1 x Valve1 x Magnetic Base