The EBM-PAPST part 618NN is a high-quality DC fan that features an axial ball bearing design. With a voltage range of 36V to 56V, this fan provides reliable cooling performance for various applications. The compact size of 60 X 60 X 25.4mm makes it suitable for installations with space constraints. Despite its small size, the fan offers an impressive airflow of 23.54CFM. Additionally, the noise level of just 35dB ensures quiet operation. Trust the EBM-PAPST 618NN to provide efficient and silent cooling for your electronic devices.