Arezzo 100mm Non-Return Valve for Extractor Fans

Product InformationArezzo 100mm Extractor Fan Non-Return ValveThe Arezzo 100mm Extractor Fan Non-Return Valve ensures air flows in one direction only, preventing backdrafts caused by wind or when outside air is warmer than indoor air. It is also suitable for ventilation systems where multiple rooms share a common duct, helping maintain correct airflow and prevent cross-contamination between spaces.FeaturesDiameter: 96 mmFits 100 mm (4″) extractor fansPrevents backdrafts and reverse airflowEnsures one-way airflow for reliable ventilationIdeal for use in multi-room duct systemsProduct images are for illustrative purposes only.Guarantee2-year manufacturer guarantee.