30mm DC Blower Fan

https://www.cooling-fan.com/products/30mm-dc-blower-fan/

A 30mm small dc blower fan is a small but powerful cooling device , commonly used to cool industrial components or constrained spaces. ordinary fans may prove too bulky, These fans use a compact impeller design that creates high-velocity airflow in confined spaces compared to traditional axial fans, making them suitable for various applications. 30mm small dc blower fans are particularly useful in applications such as computer cooling systems, industrial machinery, and electronic equipment, where adequate cooling is essential to maintain high performance and extend the longevity of components. They are compact and easy to install, which allows them to fit in a wide range of settings, including restricted spaces or crowded industrial machinery.