it is used for inspection and cleaning of chimney systems
| D, mm | Dz, mm | DZ, mm | H, mm |
| 100 | 90 | 110 | 300 |
| 110 | 90 | 110 | 300 |
| 115 | 115 | 110 | 300 |
| 120 | 115 | 135 | 300 |
| 125 | 115 | 135 | 300 |
| 130 | 115 | 135 | 300 |
| 135 | 115 | 135 | 300 |
| 140 | 115 | 135 | 300 |
| 150 | 115 | 135 | 300 |
| 160 | 115 | 135 | 300 |
| 180 | 115 | 135 | 300 |
| 200 | 115 | 135 | 300 |
| 220 | 115 | 135 | 300 |
| 230 | 115 | 135 | 300 |
| 250 | 115 | 135 | 300 |
| 300 | 135 | 155 | 300 |