SANUS Component Series CAFC01 1U ultra quiet fan easily connects to the CAPT01 MultiVolt Power Supply to help create the SANUS EcoSystem - a fully customizable accessory that serves as the single power source for all low-voltage equipment in an AV rack. This component is automatically activated by the thermostat kit (included with the MultiVolt Power Supply) when the interior of a rack exceeds a specified temperature, plus Power Wire. Hardware included.