Supply in low and medium pressure installations as the end of circular ventilation ducts, to the outside air.
The body is made of steel. From the inside, a 10×10 galvanized mesh is attached. The base is finished with a galvanized steel flange.
Made of galvanized or acid-resistant sheet.
| ØD [mm] | ØD1 [mm] | H [mm] | H1 [mm] | H2 [mm] |
| 100 | 200 | 175 | 70 | 50 |
| 125 | 250 | 200 | 70 | 50 |
| 160 | 320 | 260 | 75 | 55 |
| 200 | 400 | 340 | 80 | 60 |
| 250 | 500 | 425 | 100 | 75 |
| 315 | 630 | 530 | 125 | 95 |
| 400 | 800 | 680 | 160 | 120 |
| 500 | 1000 | 850 | 200 | 150 |
| 630 | 1260 | 1070 | 250 | 190 |
| 800 | 1600 | 1360 | 320 | 240 |
| 1000 | 2000 | 1700 | 400 | 300 |