Wall intake / outlet made of chromium-nickel steel, which causes no corrosion. Polished surface. The hole cover provides protection against atmospheric phenomena.
Modern desing.
| Diameter | D [mm] | A [mm] | C [mm] | E [mm] | Q m3/h | Weight [gr] |
| 100 | 100 | 150 | 115 | 42 | 60 | 161 |
| 125 | 125 | 190 | 145 | 48 | 80 | 258 |
| 150 | 150 | 210 | 155 | 55 | 125 | 346 |
| 160 | 160 | 210 | 165 | 55 | 135 | 346 |