Is used when passing the chimney through the ceiling
| D, mm | Di, mm | A, mm | B, mm | Weight, kg |
| 100 | 110 | 500 | 400 | 3,24 |
| 110 | 120 | 500 | 400 | 3,23 |
| 115 | 125 | 500 | 400 | 3,23 |
| 120 | 130 | 500 | 400 | 3,23 |
| 125 | 135 | 500 | 400 | 3,22 |
| 130 | 140 | 500 | 400 | 3,22 |
| 135 | 145 | 500 | 400 | 3,21 |
| 140 | 150 | 500 | 400 | 3,21 |
| 150 | 160 | 500 | 400 | 3,2 |
| 160 | 170 | 500 | 400 | 3,19 |
| 180 | 190 | 500 | 400 | 3,17 |
| 200 | 210 | 500 | 400 | 3,14 |
| 220 | 230 | 500 | 400 | 3,11 |
| 230 | 240 | 500 | 400 | 3,1 |
| 250 | 260 | 500 | 400 | 3,07 |
| 300 | 310 | 500 | 400 | 2,98 |