Inline Duct Fan with Speed Controller Furnace&Parts Accessories HVAC Fans

Key features

• [High-Efficiency, Long Life Inline Duct Fan] This 4 inch inline duct fan features a variable speed control and delivers a powerful airflow of 183 CFM, making it ideal for rapidly exhausting bathroom moisture, heat from grow tents, attic odors, and more. With a lifespan exceeding 10,000 hours, it ensures stable, efficient ventilation for 24/7 operation in grow environments or busy households.
• [100% Pure Copper Motor & Strong Airflow] Featuring a 100% pure copper dual-ball bearing DC brushless motor, this 4 inch exhaust fan spins at 5000 RPM with <20 K temperature rise. Compared to aluminum motors, its 30% better heat dissipation and 50% lower energy use make this inline exhaust fan durable and reliable for heavy-duty needs.
• [Low Noise & Durable ABS Material Duct Fan] Equipped with dynamic balance blades and IPX4 waterproof ABS housing, this duct fan resists impacts, corrosion, and deformation. At ≤24dB, it’s a quiet ventilation fan ideal for bedrooms, offices, or any space where peace matters
• [Easy Installation & Versatile Use Duct Fan] This small exhaust fan installs quickly on walls, windows, or ceilings—just plug in and use the one-touch switch. Perfect for bathrooms, grow tents (as a grow tent exhaust fan), attics, garages, workshops, and laundry rooms, it fits standard 4-inch ducts like a Duct Fan.
• [High Quality & 24/7 Support Inline Fan] Tested to strict standards, this 4 inline fan includes a 2 year warranty and 24/7 customer service. No need to return—contact us for any issues! (Note: Duct not included.)

Free shipping included. 30-day hassle-free returns.