- 【QUIET & POWERFUL】 Mixed flow design combined with an EC motor that powers high-quality impellers makes this fan truly energy efficient. With only 27 watts of power but a strong airflow of up to 205 CFM, a very low noise level, and only 26.8 DB, this 4-inch exhaust fan is silent. Lightweight ABS blades reduce the airflow resistance and 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, is easy to program, and controls the humidity and temperature automatically with 4 easy settings and alarms which makes it 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, the 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 growing tents, closet, storage rooms, kitchens, bathrooms, basements, and more.
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C. Riley –
Love the read out and how quiet this inline is compared to others of the same size. When they say quiet they mean it, if it wasn’t for my timer I would probably forget it was on. Thanks SF!