中中Nasopharyngeal Airway
| Konstronia. | Genus | Id (mm) | Longitudo (mm) |
| Na2560 | 2.5 | 2.5 | 60 |
| NA1072 | 3.0 | 3.0 | 72 |
| Na3585 | 3.5 | 3.5 | 85 |
| Na40105 | 4.0 | 4.0 | CV |
| Na45110 | 4.5 | 4.5 | CX |
| Na50115 | 5.0 | 5.0 | CXV |
| Na55125 | 5.5 | 5.5 | CXXV |
| Na (VII) CXXXV | 6.0 | 6.0 | CXXXV |
| Na65145 | 6,5 | 6,5 | CXLV |
| Na70150 | 7.0 | 7.0 | CL |
| Na75160 | 7.5 | 7.5 | CLX |
| Na80175 | 8,0 | 8,0 | CLXXV |
| Na85185 | 8,5 | 8,5 | CLXXXV |
| Na90190 | 9,0 | 9,0 | CXC |
