A server rack can include a plurality of server chassis. The server chassis can form a opening configured to receive a removable fan through the opening. The removable fan can including a plurality of shutters, the plurality of shutters can be automatically transitionable between an open configuration and a closed configuration. In the open configuration the fan can draw in or push out air to cool the components located within the server chassis. In the closed configuration the shutters can prevent air from entering or exiting the server chassis. A flap can be coupled to the server chassis and automatically transitionable between an open configuration and a closed configuration. In the open configuration the fan is inserted into the server chassis and the flaps are opened into the server chassis. In the closed configuration the fan is removed from the server chassis and the flaps can prevent air from entering or exiting the server chassis.