... .size:2.5-8.5 3. endotracheal tube,reinforced endotracheal tube Description :product name:endotracheal tube whit cuff or without cuff1.Non-toxic ... body temperature to conform to airway anatomy.4. Clear PVC tube with visible markings for easy observation..5.size:2.5,3 ... .0,8.5,9.0,9.5good packing and endotracheal tube with cuff