The Steam Inhaler Respiratory Vapor Therapy System provides natural hot steam inhalation therapy to help relieve symptoms due to: allergies bronchitis colds flu laryngitis rhinitis sinusitis and more. It operates with tap or distilled water and it provides hot steam in 60 seconds. The treatment time is 6-9 minutes. The small cone mask directs steam to the nose and mouth and the large mask is ideal for facial treatments. 1) Adjustable particle size steam control 2) Optional treatment additives: saline or aromatherapy 3) Adjsutable extension tube height 4) Latex-free BPA-free.