AirTech-UK Extractor Fan Non Return Valve 100mm 4"

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Product description

  • Prevents Backdraft Protects your ventilation system by stopping unwanted airflow from returning into your home or building.
  • One-Way Airflow The valve design ensures air flows in one direction, venting only to the outside, promoting a fresh and comfortable environment indoors.
  • Perfect for Common Ventilation Ducts Ideal for systems where multiple rooms share a common ventilation duct, preventing backflow from other areas.

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