Description
Features & Benefits:
- Telescopic and adjustable for a step of 5, 6 or 7 brick courses
- Horizontal and vertical extension accessories available
- Free area of 8000mm2 per unit when installed without airbrick
- Free area of 6500mm2 per unit when installed with 1201AB airbrick
- Equivalent area of 6170mm2 per unit when installed with 1201AB airbrick
- Special grille included to prevent entry of vermin
- Durable, robust and totally resistant to decay
Where to use:
- To provide ventilation below suspended ground floors.
Free Airflow | Product Code |
---|---|
8000mm² | 1201XL |