Laser Oral Tracheal tube dual cuffed 6.0mm OD 8.0-8.5mm length 349mm Laser Oral Tracheal tube dual cuffed 4.5mm OD 6.5-7.0mm length 349mm Cuffed armored endotracheal tube for oral and nasal intubation size 3.5 internal diameter, 5.2mm approximate diameter, 160 – 230mm approximate length