4 Inch Inline Duct Fan Kit with Speed Controller, Quiet DC-Motor Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics Comes with Base Cord Screw, Boat Blowers

Features

• [Stepless Speed Control Adjustable & Long Lifespan Inline Fan]This 4 inch inline duct fan delivers 53-183 CFM (95-145 m/h) of powerful airflowperfect 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, its 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 househen 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 returncontact us for any issues (Note: Duct not included.)