Blowing Balls
These blowing balls are to verify the bore of the duct for consistency in order to prevent the cable from getting stuck whilst blowing.
| Duct Size ID (mm) |
| 3.5 |
| 4 |
| 6 |
| 8 |
| 10 |
| 12 |
| 14 |
| 20 |
Other sizes are available.
Blowing Balls
These blowing balls are to verify the bore of the duct for consistency in order to prevent the cable from getting stuck whilst blowing.
| Duct Size ID (mm) |
| 3.5 |
| 4 |
| 6 |
| 8 |
| 10 |
| 12 |
| 14 |
| 20 |
Other sizes are available.
