This EBM-PAPST 624L is a high-quality axial DC fan equipped with a durable ball bearing design, making it ideal for long-term use. Operating at a voltage range of 18V to 28V, this fan provides reliable performance with a flow rate of 12.4CFM. With a low noise level of 20dB, this fan is perfect for applications where quiet operation is essential. Measuring at 60 x 60 x 25.4mm, this low-speed fan is compact and efficient, making it a great choice for a variety of cooling needs.