| Accessory Type | Backdraft Shutters |
|---|---|
| Duct Size | 100mm |
Back Draft Shutter Metal 100mm
$27.00
A backdraft shutter is used with inline fans and duct, to stop air flowing in the “back” direction. It has “butterfly” wings and a very weak spring to minimise airflow reduction.
Made of metal, this backdraft shutter will connect to 100mm ducting.
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