An injector head for an anti-icing system may comprise a body configured to receive a pressurized gas, wherein the body is configured to provide the pressurized gas through a bulkhead into an interior volume of a D-duct, a first nozzle configured to generate a first flow of a first portion of the pressurized gas, a second nozzle configured to generate a second flow of a second portion of the pressurized gas, and a third nozzle configured to generate a third flow of a third portion of the pressurized gas, wherein the first nozzle is located at a distal end of the body relative to the bulkhead, and wherein a first hydraulic diameter of the first nozzle is less than each of a second hydraulic diameter of the second nozzle and a third hydraulic diameter of the third nozzle.