Portex uncuffed siliconised PVC ET tube is designed for nasal/oral intubations and it made with a material that is softer than standard PVC Siliconised PVC reduces the risk of trauma to delicate mucosa Sizes 2.0mm-9.0mm Kink-resistant minimizes the possibility of tube occlusion Radio-opaque Blue Line for the exact location of tube position 15mm connector conforming to ISO5356-1 ensuring full compatibility with circuit connections