Double Lumen Tracheobronchial Tube is used for single-lung aerating [synchronization and non-synchronization] in thorax operation or gravity patients. The Tracheobronchial Tube is designed as of low-pressure tube with bronchial cuff that can help reduce cohesion of mucosa. The Tracheobronchial Tube comes in sizes of Fr26, Fr31, Fr33, Fr35, Fr37, Fr39 and Fr41. The Double Lumen Tracheobronchial Tube has the pilot balloon and bronchial cuff of same colour which helps in judging the position.