Ventilation intake for low and medium pressure supply and exhaust systems. Fixed blinds. It has a protection net made of galvanized wire.
Made of galvanized or acid-resistant sheet.
The table shows the typical dimensions of the intake. The custom-made producer provides other, non-standard dimensions.
| B/H | 250 | 400 | 500 | 630 | 800 | 1000 | 1250 | 1600 | 2000 | L |
| 250 | + | + | + | + | + | + | + | + | + | 65 |
| 400 | + | + | + | + | + | + | + | + | + | 65 |
| 500 | + | + | + | + | + | + | + | + | + | 65 |
| 630 | + | + | + | + | + | + | + | + | + | 65 |
| 800 | + | + | + | + | + | + | + | + | + | 65 |
| 1000 | + | + | + | + | + | + | + | + | + | 65 |
| 1250 | + | + | + | + | + | + | + | + | + | 65 |
| 1600 | + | + | + | + | + | + | + | + | + | 65 |
| 2000 | + | + | + | + | + | + | + | + | + | 65 |