CUI Devices AC Axial Fans feature 120mm and 172mm frame designs. The CAF-A7B and CAF-A2B series offer a dual-ball bearing construction. The CAF-A2S series offers a sleeve-bearing construction. CUI Devices AC Axial Fans provide multiple speed options with operating voltages from 110VAC to 125VAC and 220VAC to 240VAC. The RoHS-compliant fans operate within a -10°C to +70°C temperature range.