4 Inch Stainless Steel Exhaust Fan | Silent Duct Ventilator

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

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

Related Products You May Like

• 1.5L Handheld Steam Cleaner Touch Screen 1800W | CE Certified
• 1.2L Smart Electric Dehumidifier with Remote & Anion Purifier
• 1.4W Solar Bird Bath Fountain Pump – 6 Nozzles & 4 Bars

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.