What is the unopened vial shelf life of Alprolix 250 IU powder and solvent for solution for injection?

Alprolix 250 IU unopened vials have a 4-year shelf life, allowing one period of up to 6 months at ≤30°C; record removal from refrigeration on the carton, do not re-refrigerate, and do not use beyond the printed vial expiry or 6 months after carton removal from refrigeration, whichever is earlier.