Connector used for joining together two chimneys of different diameters.
It is fixed to the smoke duct by applying a special clamp of adequate diameter. Installation must be carried out by qualified personnel.

| Øi | Ø | H | |||||||||||||||
| 80 | 100 | 120 | 130 | 140 | 150 | 160 | 180 | 200 | 220 | 230 | 250 | 300 | 350 | - | - | - | 200 |
| 100 | - | 120 | 130 | 140 | 150 | 160 | 180 | 200 | 220 | 230 | 250 | 300 | 350 | - | - | - | 200 |
| 120 | - | - | 130 | 140 | 150 | 160 | 180 | 200 | 220 | 230 | 250 | 300 | 350 | - | - | - | 200 |
| 130 | - | - | 130 | 140 | 150 | 160 | 180 | 200 | 220 | 230 | 250 | 300 | 350 | - | - | - | 200 |
| 140 | - | - | - | - | 150 | 160 | 180 | 200 | 220 | 230 | 250 | 300 | 350 | - | - | - | 200 |
| 150 | - | - | - | - | - | 160 | 180 | 200 | 220 | 230 | 250 | 300 | 350 | - | - | - | 200 |
| 160 | - | - | - | - | - | - | 180 | 200 | 220 | 230 | 250 | 300 | 350 | - | - | - | 200 |
| 180 | - | - | - | - | - | - | - | 200 | 220 | 230 | 250 | 300 | 350 | 400 | - | - | 200 |
| 200 | - | - | - | - | - | - | - | - | 220 | 230 | 250 | 300 | 350 | 400 | 450 | 500 | 200 |
| 230 | - | - | - | - | - | - | - | - | - | - | 250 | 300 | 350 | 400 | 450 | 500 | 200 |
| 250 | - | - | - | - | - | - | - | - | - | - | - | 300 | 350 | 400 | 450 | 500 | 200 |
| 300 | - | - | - | - | - | - | - | - | - | - | - | - | 350 | 400 | 450 | 500 | 200 |
| 350 | - | - | - | - | - | - | - | - | - | - | - | - | - | 400 | 450 | 500 | 200 |