[6 Speed Control]:

6-speed manual speed control and intelligent automatic on/off. In manual mode, you can select different gears as needed to meet diverse ventilation requirements; in automatic mode, it dynamically adjusts the on/off status based on real-time temperature and humidity. This not only ensures optimal ventilation effects in various scenarios but also further optimizes energy consumption. Equipped with the "SPEED+/-" buttons on the remote control, it allows for convenient gear switching with intuitive and efficient operation.

[Smart Humidity Sensor for AUTO Ventilation]

This 4 inch inline fan features a smart humidity and temperature sensor that automatically activates the duct booster fan when conditions exceed your preset level, then stops once humidity or temperature drops. The clear digital display allows real-time monitoring for stable airflow in grow tents, bathrooms, and greenhouses. This inline fan 4 inch ensures automatic, intelligent air regulation without manual control. Replacement household furnace fans.

[Quiet & Efficient Airflow]

This 4 inch inline duct fan delivers powerful airflow up to 183 CFM while operating as quietly as 24 dB. With six adjustable speed settings, it balances power and noise with ease. Suitable for 5–15 plants, the fan includes a 5 ft power cord for quick installation. It fits grow tents of any size, providing stable and efficient air circulation for various indoor growing and ventilation systems.

[100% Pure Copper AC Motor & High-Efficiency Airflow

:Equipped with a pure copper DC motor, this inline duct fan delivers strong performance at 5000RPM with excellent heat dissipation and durability. Compared to standard motors, it offers 30% better cooling and 50% lower energy use. The duct fan booster is designed for continuous heavy-duty operation, ensuring reliability even in high or low temperatures.

[Remote Control with Timer]

This 4 inch inline duct fan comes with a user-friendly remote control for easy, hands-free operation. You can switch modes, adjust airflow, or turn the fan on and off without touching the unit. Ensuring consistent and effortless ventilation for grow tents, hydroponic setups, or household use. Furnace Blower Fan Replacement.