- Three progressive sizes suited also for a narrow outer ear canal
- Funnel shaped outer flange
- Particularly smooth Surface
- Large inner lumen
- Relatively small outer diameter
| BEVELED TYPE VENTILATION TUBES | ID mm | OD mm | LENGTH MM | GOLD-PLATINUM REF# | UNITS / BOX |
| Size 0 | 0.75 | 1.60 | 0.70 | 1015051 | 10 |
| Size 1 | 1.25 | 1.55 | 1.50 | 1015053 | 10 |
| Size 2 | 1.50 | 2.80 | 1.50 | 1015055 | 10 |
