Nasopharyngeal / Nasal Airway
I.D.: 2.5mm, 3.0mm, 3.5mm, 4.0mm,
        4.5mm, 5.0mm, 5.5mm, 6.0mm,
        6.5mm, 7.0mm, 7.5mm, 8.0mm,
        8.5mm, 9.0mm, 9.5MM