A cooling apparatus that, in use, bifurcates and regulates cooling airflow provided to a mid-turbine frame of a gas turbine engine, the apparatus comprising: a flow metering tube having a top portion and a tube portion, wherein the top portion includes a first central aperture that directs a first cooling airflow into the tube portion; and a metering plate located on the top portion of the flow metering tube, wherein the metering plate includes a second central aperture aligned with the central aperture of the flow metering tube wherein a size of the second central aperture meters the first cooling airflow; characterised in that: said top portion of said flow metering tube includes a first plurality of apertures located circumferentially around the central aperture that directs a second cooling airflow to a portion outside the tube portion; said metering plate includes a second plurality of apertures located circumferentially around the central aperture, and a size and number of the second plurality of apertures meters the second cooling airflow; and the top portion of the flow metering tube includes a plurality of gaps on an outer diameter, and the metering plate includes a plurality of tabs on an outer diameter, wherein the metering plate is prevented from rotating by engaging the plurality of tabs within the plurality of gaps. a flow metering tube having a top portion and a tube portion, wherein the top portion includes a first central aperture that directs a first cooling airflow into the tube portion; and a metering plate located on the top portion of the flow metering tube, wherein the metering plate includes a second central aperture aligned with the central aperture of the flow metering tube wherein a size of the second central aperture meters the first cooling airflow; characterised in that: said top portion of said flow metering tube includes a first plurality of apertures located circumferentially around the central aperture that directs a second cooling airflow to a portion outside the tube portion; said metering plate includes a second plurality of apertures located circumferentially around the central aperture, and a size and number of the second plurality of apertures meters the second cooling airflow; and the top portion of the flow metering tube includes a plurality of gaps on an outer diameter, and the metering plate includes a plurality of tabs on an outer diameter, wherein the metering plate is prevented from rotating by engaging the plurality of tabs within the plurality of gaps. said top portion of said flow metering tube includes a first plurality of apertures located circumferentially around the central aperture that directs a second cooling airflow to a portion outside the tube portion; said metering plate includes a second plurality of apertures located circumferentially around the central aperture, and a size and number of the second plurality of apertures meters the second cooling airflow; and the top portion of the flow metering tube includes a plurality of gaps on an outer diameter, and the metering plate includes a plurality of tabs on an outer diameter, wherein the metering plate is prevented from rotating by engaging the plurality of tabs within the plurality of gaps.