The present invention relates to a handheld vibrating mesh nebuliser for delivery of a medicament to the respiratory system in therapy. The present invention also relates to a supply container for loading the nebuliser with liquid medicament. The present invention also relates to a kit for delivery of a medicament to a respiratory system and a method of loading a vibrating mesh nebuliser with liquid medicament from a supply container. The present invention also relates to compositions for use in a method of treatment of a respiratory disease in a patient by therapy.