| Pack quantity | 5 |
| Brand | Blauberg |
| Product diameter | 100mm |
| Product height | 0.08mm |
| Product length | 0.1mm |
| Product width | 0.1mm |
Functionality:
Automatically shuts off air ducts.
Prevents back drafting when the fan is off.
Compatibility:
Fits Ø 100 to 315 mm round air ducts.
Design:
Durable galvanized steel case.
Spring-loaded aluminum blades open with air pressure and close with a spring.
Mounting:
Secures with clamps to round ducts.
Maintains a vertical blade axis.
Installation:
Easily integrates into ventilation systems respecting air flow direction.
4-Inch Circular Inline Backdraft Damper - Butterfly Action Draft Shutter, 100mm - Airflow Control
£9.99
From DIY at B&Q
Notify me whenever better offers are available