Main Function: It can only use compressed air to reduce the air temperature to produce cryogenic airflow Easy to Use: It is convenient to clean and easy to install, its flexible universal tube delivers cool air to where cooling is needed Adjustable Air and Temperature: The built in control valve makes it possible to adjust the volume of outlet air and the temperature Wide Range of Applications: It is very helpful for small-area rapid dry cooling applications, such as machine tool head cooling, various tool cooling treatments, electronic component cooling, welding cooling, etc After-sales resolution: Should any issues arise, I shall provide you with a prompt resolution, Manufacturer: AMEHRU