Spider Farmer® 4 Inch Quiet Inline Duct Fan with Temperature Humidity Controller


  • 【QUIET & POWERFUL】 Mixed flow design combined with a EC motor that powers high-quality impellers makes this fan truly energy efficient. With only 40 watts of power but gives a strong airflow up to 205 CFM, very low noise level, only produces 28 DB, this 4 inch exhaust fan is silent. Lightweight ABS blades reduce the airflow resistance, add airflow by 40%.
  • 【BUILT TO LAST】Made of heavy-duty plastic housing for superior durability, IP42 rated, making it highly resistant to dust and liquids, and performs well even in harsh environments. The exhaust fan is ETL/FCC listed.
  • 【INTELLIGENT CONTROLLER】The smart controller has multiple modes for operation, 10 fan speeds, easy to program and controls the humidity and temperature automatically with 4 easy settings and alarms which is a breeze to keep your space at the optimal temperature and humidity.
  • 【DAISY CHAIN PROGRAMMING】2 of 4 inch exhaust fans can daisy chain together to share the same controller, long corded design greatly facilitates the fan connection and installation.
  • 【WIDE APPLICATIONSL】Designed for air circulation boosting of cooling and heating systems and air-circulation. The 4 Inch Inline duct fan is a great option for grow tents, closet, storage rooms, kitchens, bathrooms, basements and more.


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