1. Wide Applications: Suitable for high temperature, high heat, and high humidity, especially suitable for cold labor protection environments. Such as metallurgy, forging, welding, glass, fire protection, , power plants, boiler factories, sandblasting, paint baking, etc.2. Outlet Temperature: Only manual knob and adjustable air outlet temperature thermometer. If the compressed air inlet pressure and temperature remain constant, the outlet temperature of the vortex tube will be maintained at 1F(0.6C) continuously.3. Filter Compressed Air for Industrial Use: Cooling vest vortex tube has no electricity, no refrigerant, only industrial compressed air is filtered.4. Simple Operation: The air conditioning vest air duct is opened and closed immediately, making it easy to control and cooling without any waste.Specification:Item Type: Cooling Vest Vortex TubeMaterial: Aluminum Alloy And SiliconeCold Source: Compressed Air (Only Compressor, No Accessories Required)Weight: Approx. 528g / 18.6ozPackage List:1 x Air Duct1 x Refrigerator1 x Belt

SIMPLE OPERATION - The air conditioning vest air duct is opened and closed immediately, making it easy to control and cooling does not produce any waste.Welcome inquiries. AIR OUTLET TEMPERATURE THERMOMETER - Only manual knob and adjustable air outlet temperature thermometer. If the compressed air inlet pressure and temperature remain constant, the outlet temperature of the vortex tube will be maintained at ±1°F(±0.6°C) continuously. FILTER COMPRESSED AIR FOR INDUSTRIAL USE - This cooling vest vortex tube has no electricity, no refrigerant, only industrial compressed air is filtered. WIDE APPLICATIONS - Suitable for high temperature, high heat, and high humidity, especially suitable for cold labor protection environments. Such as metallurgy, forging, welding, glass, fire protection, power plants, boiler factories, sandblasting, paint baking, etc. SAFE TO USE - This cooling vest vortex tube has no spark flickering hazard, no wireless and radio frequency interference, suitable for high temperature, high fever, high humidity, specially for cold labor environments.