The GL Series units are aspiration grilles with fixed horizontal blades 49° degree inclined. They are used for external air-intake, for ambient exhausted air-expulsion, for air-recycling into internal structures and for general ventilation. It is exhorted the application of a protective bird net for the external installation of these grilles.
- Standard dimensions from 300x240 up to 2.000x2.040 mm
- Practicable special dimensions on demand
- Wholly anodized aluminium costruction
- RAL 9010 painted aluminium construction on demand
- 100 mm pitch fixed blades horizontally arranged
- Fixing by screws