CUI Devices CFM DC Axial Fans come with multiple speed options for different cooling needs. These axial fans offer sleeve bearing, dual-ball bearing, or omniCOOL™ bearing systems and feature tachometer signal, polarity protection, and auto-restart protection standards. The CFM DC Axial Fans operate from a -10°C to 70°C temperature range, a 35% to 85% non-condensing humidity range, and a 5VDC to 48VDC rated voltage range. With several models featuring IP68 ratings, these axial fans are RoHS-compliant and can be used in IT and telecommunications equipment, medical devices, and industrial applications.