CUI Devices CFM DC Axial Fans come with multiple speed options for different cooling needs. These axial fans offer either a dual ball bearing or omniCOOL™ bearing system and feature tachometer signal, polarity protection, and auto-restart protection standards. The CFM DC Axial Fans operate from a -10°C to 70°C of temperature range, a 35% to 85% non-condensing humidity range, and a 12VDC to 24VDC rated voltage range. These axial fans are RoHS-compliant and can be used in IT and telecommunications equipment, medical devices, and industrial applications.