4 Inch Stainless Steel Exhaust Fan – Powerful, Quiet Duct Ventilation

Keep your home's air fresh and clean with this compact yet powerful 4-inch stainless steel exhaust fan. Engineered for kitchens, bathrooms, toilets, grow rooms, and any space requiring reliable air circulation, this mini duct booster fan delivers a high air volume of 140 m³/h at whisper-quiet 30–35 dB — so you get maximum ventilation without the noise. Made in Mainland China.

Why You'll Love This Exhaust Fan

High-Performance Airflow: Moves up to 140 m³/h of air at 2,800 RPM, efficiently clearing moisture, odours, and stale air.
Ultra-Quiet Operation: Runs at just 30–35 dB — quieter than a typical conversation — perfect for bedrooms, bathrooms, and offices.
Durable Stainless Steel Blades: Metal fan blades outperform plastic alternatives in longevity and structural stability.
Fully Enclosed Drum Motor: Sealed motor design protects internal components, extending the fan's service life significantly.
Vibration-Resistant Build: Two-way stable construction with high-quality stamped fixings keeps the fan secure under continuous operation.
Energy Efficient: Only 20W input power for outstanding performance — low running costs around the clock.
Versatile Use: Ideal for kitchen hoods, bathroom extraction, toilet ducts, grow room ventilation, and odour-control setups with carbon filters.
Compact Round Design: 95 mm diameter × 80 mm height fits neatly into standard 4-inch ducting.

Technical Specifications

Voltage	220V / 50Hz
Input Power	20W
Speed	2,800 RPM
Air Volume	140 m³/H
Noise Level	30–35 dB
Diameter	95 mm
Height	80 mm
Material	Stainless Steel / Metal
Colour	White / Black
Power Source	AC
Package Contents	1 × Duct Booster Vent Fan

Perfect For

Kitchen extraction and rangehood ducting
Bathroom and toilet ventilation
Grow room and indoor garden air circulation
In-line duct boosting with carbon filters for odour management
Home workshop or utility room airflow

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For guidance on home ventilation standards and indoor air quality, visit the U.S. EPA Indoor Air Quality – Ventilation and Air Quality in Homes resource.

Learn more: Fan (machine)

Frequently Asked Questions

Q: What duct size does this 4-inch exhaust fan fit?

A: This duct booster fan is designed for standard 4-inch (100 mm) round ducting, with a fan body diameter of 95 mm and height of 80 mm, making it a compact and easy drop-in solution for most kitchen, bathroom, and toilet ventilation ducts.

Q: How loud is this exhaust fan during operation?

A: The fan operates at just 30–35 dB, which is comparable to a quiet library or soft whisper. This makes it suitable for use in bedrooms, bathrooms, and other areas where low noise levels are important.

Q: Can this fan be used with a carbon filter for odour control?

A: Yes! This exhaust fan is compatible with standard carbon filters and is ideal for grow rooms, indoor gardens, or any space where odour management is needed. Its 140 m³/h air volume ensures efficient filtration when paired with an appropriately sized carbon filter.

Q: What voltage does this exhaust fan operate on?

A: This fan operates on 220V / 50Hz AC power. Please ensure your local power supply matches these specifications before purchasing. It is not suitable for 110V/60Hz systems without a step-up transformer.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

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