| Brand | Awenta |
| Pack quantity | 1 |
| Product width | 125mm |
| Product depth | 16mm |
| Product height | 125mm |
The non-return valves provide air flow in one direction only, without reducing significantly the efficiency of the fan. Diameter: 125mm;Material: plastic.
Awenta 125mm Non Return Valve for Ventilation Extractor Fan Backdraft Wind Shutter
£15.99
From DIY at B&Q
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