Industrial Vent Hydroponic Quiet Extractor Fan Duct 4 Inch Inline Exhaust White
£18.49
Bullet Points: 1. Air throughput up to 198 m3/h. Equipped with ball bearings to ensure that the duct fan operates with low noise, about 31dB. Unlike noisy EC chimney duct fans, this fan is worth your money in the long run.
