DIC Tracheostomy TubesPortex DIC Tracheostomy Tubes with disposable inner cannula are rigid style trach tubes fitted with a flexible flange featuring large openings for improved stoma care. The 15 mm connector is an integral part of the Tracheostomy tube, not the inner cannula, which allows for ventilation with or without the inner cannula in place. Features: Cuffed or Non Cuffed Fenestrated or Non Fenestrated Multiple sizes available Color coded for convenience The