The ORION FANS OD4020-12LB is a high-performance DC cooling fan designed for optimal airflow and efficient cooling in compact spaces. Measuring 40x20mm, this fan operates at 12V and features a ball-bearing system, ensuring durability and long-lasting performance. With an impressive airflow of 7 CFM (Cubic Feet per Minute), it is ideal for a variety of applications, from electronics cooling to small appliances and more. Its reliable construction and efficient operation make it a vital component for maintaining optimal temperatures and preventing overheating in your systems.