Nasopharyngeal cannula 31203000

72 mm, 160 mm, 175 mm, 185 mm, 190 mm
(2.8 in, 6.3 in, 6.9 in, 7.3 in, 7.5 in)

3 mm, 3.5 mm, 4 mm, 4.5 mm, 9 mm
(0.1 in, 0.1 in, 0.2 in, 0.2 in, 0.4 in)