About This

[Shorter Body, Easier Installation]:Unlike traditional 4 inch inline fans, this compact inline duct fan features a shortened 4.72″ body, making it ideal for tight spaces where standard fans simply won’t fit.
[Optimized for Small Grow Tents & Cabinets]:Designed for small grow tent ventilation, cabinets, and DIY airflow setups, this 4 inch inline fan delivers efficient exhaust without taking up valuable space inside your system.
[Simple Speed Control, No Extra Accessories Needed]:Built-in speed controller allows easy airflow adjustment without smart controllers or apps—perfect for users who want reliable grow tent exhaust fan performance without complexity.
[Quiet, Energy-Efficient DC Motor]:Powered by a high-efficiency DC centrifugal motor, this quiet exhaust fan provides stable airflow with reduced noise and lower power consumption compared to bulky traditional duct fans.
[One Fan, Multiple Ventilation Uses]:Works as a grow tent fan, bathroom exhaust fan, dryer vent booster fan, or garage ventilation fan, offering a cost-effective alternative to single-purpose inline fans.
[Pure Copper DC Motor & High-Efficiency Airflow]:Featuring a 100% pure copper DC motor, this inline duct fan spins at 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.
[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.)