· 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
USB Powered Desktop Fan 4/6/8 Inch 2 Speed Adjustable 4 Blades 360° Rotation Portable Electric Fan for Home Office Computer
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
Upgraded 6-in-1 camping fan 20000mAh rechargeable portable fan with 4-speed air circulator LED light for outdoor activities
Aliexpress UK
4", 5", 6" Extractor Fan Quiet Inline Grow Room Fan Hydroponic for Ventilation. Ventilation hose is made of high quality aluminium foil and PVC which maintains its shape and not only prevents gas leakage but also protects the pipe from corrosion.
eBay
20,000mAh 6 in 1 Camping Fan Outdoor Ceiling Fan with 4 Speeds Rechargeable Portable Desk Air Circulator LED Light
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
Portable Mini Air Conditioner USB Air Cooler Bladeless Electric Fan 6-speed Silent Timed Air Conditioner Cooling Fan Humidifier
Aliexpress UK
Inlet side will fit on to Carbon filter or Grille Spigot. Exhaust side will fit into ducting. Sound Level dBA. Slider bearings motor equipped overheating protection. The case and the impeller are made of high-quality durable ABS plastic,this is not affected by UV.
eBay
New Portable Mini Air Conditioning USB Air Cooler Vaneless Electric Fan 6-speed Silent Timed Air Conditioning Cooling Fan Humidi
Aliexpress UK
Designed to be operated in conjunction with the room light. Various duct / grille options are available as pictured. High air flows are achieved through flexible duct. Easy installation and maintenance with the fan assembly easily removed from rigid ducting installations using the specially designed construction.
eBay
Brushless Electric Air Duster Turbo Jet Fan Violent fan 6 Gears adjustable 600000 RPM Cleaning Blower Portable Blowing Snow Tool
Aliexpress UK
· Robust: The duct fan body is made of high-strength ABS material, which is corrosion-resistant, long-lasting and safe. 100 mm duct fans have also successfully passed drop tests, thus ensuring structural stability.
eBay
6-in-1 camping fan 20000mAh rechargeable battery portable outdoor fan 4-speed air circulator with hook LED light for camping
Aliexpress UK
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eBay
USB Plug in small Desktop Fan 6 inch Table fan 3 Speed 140° Manual Tilt and 120° Auto Oscillation For Home Office Bedroom
Aliexpress UK