Industrial & Scientific
4 Inch Inline Duct Fan with Speed Controller, Upgraded Inline Fans High-Efficiency Exhaust Duct Fan
End: 2025-10-31 23:59:00
50%OFF
13.49
26.99
About this item 【Stepless Speed Control Adjustable & Long Lifespan Inline Fan】This 4 inch inline duct fan delivers 53-183 CFM (95-145 m³/h) of powerful airflow—perfect for quickly expelling bathroom moisture, grow tent, attic odors, and more. With a lifespan of >30,000 hours, this inline fan ensures stable, high-performance ventilation in 24/7 grow setups or busy households. 【100% Pure Copper DC Motor & High-Efficiency Airflow】Featuring a 100% pure copper DC motor, this inline duct fan spins at 1450-5000RPM with <20K 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 24-45dB, it’s a quiet ventilation fan ideal for bedrooms, offices, or any space where peace matters. 【Easy Installation & Versatile Use Duct Fan】This 4 inch inline fan installs quickly on walls, windows, or ceilings. Perfect for bathrooms, grow tents, attics, garages, workshops,dog house，hen house,camping tent,laser engraving,and laundry rooms, it fits standard 4-inch ducts like a duct booster 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.)