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.
eBay
Portable USB Air Cooler Leafless Electric Fan 6 Speed Silent Timer Air Conditioner Cooling Fan Humidifier Conditioning Fan
Aliexpress UK
Krystal Eco Duct Inline Exhaust Booster Fan. Designed for use in-line in ventilation ducting, Grow Room / Grow Tent, or fit directly onto a Carbon Filter. 4" (100mm) Inline Exhaust Fan 130m³/hr. 5" (125mm) Inline Exhaust Fan 240m³/hr.
eBay
Solar Exhaust Fan 12V 6-inch Mini Ventilation Fan Waterproof Solar Panel Chicken and Dog House Bathroom Greenhouse Exhaust Fan
Aliexpress UK
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.
eBay
6 Inch 40W Bathroom Fan, Exhaust Ventilation Fan Bathroom Toilet Kitchen Silent Fan for Kitchen, WC, Bathroom, Attic, Shed, Gar
Aliexpress UK
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.
eBay
4000mAh Camping Fan Electric Air Circulator Ceiling Fan Ultra-quiet 6 Modes Clip-on Fan Household Outdoor Cooling Ventilador
Aliexpress UK
RAM Mix-Flow Inline Fan. 4" - upto 199 m3/h. 5" - upto 225 m3/h. 6" - upto 517 m3/h. 8" - upto 840 m3/h. high output.
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220V EU/UK/AU 4"6" Electric Exhaust Fan Toilet Powerful Mute Extractor Household Wall Kitchen Inbline Duct Fan Ventilation Fan
Aliexpress UK
Back Draught Shutter. Compatible with Ø 100, 125, 150mm round air ducts. The fan can be mounted at any angle. In this kit you will get the following: (if you select 4" you will get 4" grilles if you select 5" you will get 5" etc).
eBay
JKUOO Fan for bedroom, 90 ° Oscillating Standing Fans, Floor fan with 6 Speeds, 4 Modes, 12H Timer, Remote, Quiet, Bladeless
Aliexpress UK
Energy-Efficient Ventilation: This powerful blower with a fan speed of 2550 RPM can create an air flow of 390 CFM; It combines the features and benefits of axial and centrifugal fan, effectively circulating air.
eBay
4''6'' Exhaust Fan Adjustable Speed Duct Fan Kitchen Window Airflow Air Cleaning Fan Ventilator Attic Pipe Ventilation Extractor
Aliexpress 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.
eBay
2025 Bladeless Fan 6 Speed Desktop Fanless Blade Cooler Cooling Fan for Office Portable Silent Fans Humidifier Air Conditioner
Aliexpress UK