4" 150mm Extractor Fan Quiet Inline Grow Room Fan Hydroponic for Ventilation UK

· High Performance : This duct fan has an airflow capacity of up to 220 m³/h. Equipped with ball bearings to ensure the duct fan operates at a low noise level of around 31dB. Unlike noisy EC chimney duct fans, this fan is good value for money in the long run.

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