A cooling fan is specifically used to cool computer components, by dispersing heated air produced by the components and drawing cooler air towards the components. It is usually composed of hard plastic and mounted inside the computer case with screws.
The dimensions of these cooling fans are in millimeters and vary depending on amount of airflow needed. The airflow created by the cooling fans is measured in cubic feet per minute (CFM), with the higher CFM being more desirable among high end computer users.Be sure to view the streaming video to get a 360 degree look at the product your buying. | 
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