Ventilation intake for low and medium pressure supply and exhaust systems. Fixed blinds. It has a security net made of galvanized wire.
Made of galvanized, acid-proof or aluminum. On request, varnishing in the RAL palette.
The table shows the typical dimensions of the intake. The custom-made producer provides other, non-standard dimensions.
| Intake size | Surface Aef[m2] | Intake size | Surface Aef[m2] |
| 300×300 | 0,06 | 1000×1000 | 0,62 |
| 300×400 | 0,07 | 600×1800 | 0,67 |
| 400×400 | 0,10 | 800×1400 | 0,69 |
| 300×600 | 0,11 | 600×2000 | 0,74 |
| 300×800 | 0,15 | 1000×1200 | 0,74 |
| 400×600 | 0,15 | 800×1600 | 0,79 |
| 300×1000 | 0,19 | 1000×1400 | 0,87 |
| 400×800 | 0,20 | 1200×1200 | 0,89 |
| 300×1200 | 0,22 | 800×1800 | 0,89 |
| 600×600 | 0,22 | 800×2000 | 0,99 |
| 400×1000 | 0,25 | 1000×1600 | 0,99 |
| 300×1400 | 0,26 | 1200×1400 | 1,04 |
| 300×1600 | 0,30 | 1000×1800 | 1,12 |
| 400×1200 | 0,30 | 1200×1600 | 1,19 |
| 600×800 | 0,30 | 1400×1400 | 1,22 |
| 300×1800 | 0,33 | 1000×2000 | 1,24 |
| 400×1400 | 0,35 | 1200×1800 | 1,34 |
| 300×2000 | 0,37 | 1400×1600 | 1,39 |
| 600×1000 | 0,37 | 1200×2000 | 1,49 |
| 400×1600 | 0,40 | 1400×1800 | 1,56 |
| 800×800 | 0,40 | 1600×1600 | 1,59 |
| 600×1200 | 0,45 | 1400×2000 | 1,74 |
| 400×1800 | 0,45 | 1600×1800 | 1,79 |
| 400×2000 | 0,50 | 1600×2000 | 1,98 |
| 800×1000 | 0,50 | 1800×1800 | 2,01 |
| 600×1400 | 0,52 | 1800×2000 | 2,23 |
| 600×1600 | 0,60 | 2000×2000 | 2,48 |
| 800×1200 | 0,60 |