Abstract: The disclosure relates to a patient interface for non-invasive ventilation. The patient interface is configured to seal about the mouth and nares of a patient and includes an outer wall defining an interior volume which includes a first chamber having one or more oral openings to communicate gas with the mouth and a second chamber having one or more nare openings to communicate gas with the nares. The patient interface further includes a dividing wall that separates the first chamber from the second chamber. The patient interface further includes one or more flow directors which enable gas to flow into the second chamber from the first chamber the first chamber from the second chamber. The one or more flow directors are configured to direct the gas flow through the one or more nare openings.