- Building ventilation
- Air vent grilles and covers
- Non Return Valve for Ventilation Extractor Fan Backdraft Wind Shutter 100mm
The non-return valves provide air flow in one direction only, without reducing significantly the efficiency of the fan.
- Diameter: 100mm;
- Material: plastic.
Less moving parts, far quieter than the hinged versions and will probably last longer. Sometimes the simpler solutions are best.
Quality wall kitchen bathroom extractor fan 100mm standard with gravity shutter prestige ventilation fan
Quality wall kitchen extractor fan 100mm with motion sensor and gravity shutter prestige ventilation fan
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