Feature:1. ALUMINIUM ALLOY: The cold air gun is made of aluminum alloy, corrosion, oxidation and high temperature resistant, lightweight and durable.2. SAFE OPERATION: The cold air gun has no moving parts, requires no electricity or any chemical substances, and generates no electric sparks.3. HIGH EFFICIENCY: The cold air gun supports instantaneous cooling, 520BTU/h, 131Kcal/H, can quickly adjust the temperature through the valve.4. INCLUDED TOOLS: Equipped with a vortexing tube, an universal tube and a fitting, with standard air inlet and cold end, easy to install, no leakage.5. WIDE APPLICATION: Used for plastic, metal or wood processing, such as welding, bonding, heat sealing, mold processing and other cooling projects.Specification:Item Type: Cold Air Gun KitAir Pressure: 7barFlow Rate: 8cfm, 220L/minCooling Capacity: 520BTU/h, 131Kcal/HVortexing Tube Diameter: Approx. 28mm / 1.1inVortexing Tube Length: Approx. 120mm / 4.7inAir Inlet Hole: G1/8 Female ThreadCold Air End: G1/4 Female ThreadAppearance: 08 Mini Type.Package List:1 x Vortexing Tube1 x Fitting1 x Universal Tube