CUI Devices CFM-50 50mm x 50mm DC Axial Fans are designed for a range of cooling needs by offering multiple speed options, from 3000RPM to 7500RPM. These fans provide airflow up to 19.46CFM and a tachometer signal option is available. The CFM-50 series features a dual ball-bearing, sleeve bearing, or omniCOOL™ system construction for maximum reliability. CUI Devices CFM-50 50mm x 50mm DC Axial Fans have an operating temperature range from -10°C to +70°C. This series offers an ideal thermal management solution for IT and telecommunications equipment, medical devices, and industrial applications.