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.
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Smoke Absorber Fume Extractor Fan Pipe Duct Exhuast Fan 8x8 Cm USB Adjustable Speed USB Smoke Exhaust Fan Pipeline Exhaust Fan
Aliexpress UK
Inline Extractor Fan HF100-PT. 100mm (4") connections to fit the ducting supplied. Supplied with White or Black Duct. Fits over the internal ceiling mounted vent, extractor fan and external wall grille.
eBay
X3-A 130000RPM Turbofan Brushless Motor 41M/S High Speed Duct Fan Mini Turbo Jet Fan Turbo Fan 200W Violent Fan High-Performance
Aliexpress UK
eBay
X3-A 130000RPM Turbofan Brushless Motor 41M/S High Speed Duct Fan Mini Turbo Jet Fan Turbo Fan 200W Violent Fan High-Performance
Aliexpress UK
No need fan room. 6in(150mm). 1 Inline Duct Fan. Hon&Guan 4" Grow Tent Ventilation Inline Duct Fan Carbon Filter Hydroponic Kit. Hon&Guan 100mm Duct Fan With 5M Air Ducting PVC Aluminium Foil Flexible Hose.
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4''6''8'' Pipe Exhaust Fan Air Ventilator Metal Pipe Ventilation Exhaust Fan Mini Extractor Bathroom Toilet Wall Fan Duct Fan
Aliexpress UK
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650000 RPM Strong Winds Turbo Fan High Speed Violent Fan Powerful Air Blower 55m/s High Power Duct Fan Brushless Turbo Jet Fan
Aliexpress UK
Series: DUCT IN LINE. The presence of a humidity sensor: no. Channel type: round. Check valve: no. Net weight, kg: 2.8. Noise level, dB: 30. White color.
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4 Inch Fan Air Ventilator For Home Kitchen Metal Pipe Ventilation Exhaust Fan Mini Extractor Bathroom Toilet Wall Fan Duct Fan
Aliexpress UK
eBay
X6 Turbo Jet Fan 53M/S Portable Turbo Fan 300000RPM Mini Turbo Jet Fan Brushless Motor Handheld Duct Fan Cleaning Tool Type-C
Aliexpress UK
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KCvents 4/6/8inch Ventilation Fan Exhaust Fan Inline Duct Fan AC Fresh Air Fan 2nd Speed Control Suitable for Greenhouses Homes
Aliexpress UK