It is a major part of smoke evacuation and ventilation systems
Silicon ring is not supplied in the set
| D, mm | L = 1 m | L = 0,5 m | L = 0,3 m |
| Weight, kg | |||
| 350 | 5,34 | 2,67 | 1,60 |
| 400 | 6,1 | 3,05 | 1,83 |
| 450 | 6,86 | 3,43 | 2,06 |
| 500 | 7,62 | 3,81 | 2,29 |
| 550 | 8,38 | 4,19 | 2,51 |
| 600 | 9,16 | 4,58 | 2,75 |
| 650 | 13,2 | 6,60 | 3,96 |
| 700 | 14,22 | 7,11 | 4,27 |
| 750 | 15,23 | 7,62 | 4,57 |
| 800 | 16,25 | 8,13 | 4,88 |
| 900 | 18,27 | 9,14 | 5,48 |
| 1000 | 20,3 | 10,15 | 6,09 |