3 Inch Inline Blower Fan with Speed Controller 120 CFM with 20W Ultra-Low Power and Low Noise

‌"【Application Scenarios】The 3 inch booster duct fan designed to quietly ventilate grow rooms, bathrooms, kitchens, workshops, basements, attics and etc, in order to boost airflow in HVAC systems.【Adjustable Controller】Compared to other marine blower fans, our 3 inch duct fan includes a variable speed controller that allows you to adjust the airflow and noise at will, better controlling the power consumption of your boat." "【Application Scenarios】The 3 inch booster duct fan designed to quietly ventilate grow rooms, bathrooms, kitchens, workshops, basements, attics and etc, in order to boost airflow in HVAC systems. 【Adjustable Controller】Compared to other marine blower fans, our 3 inch duct fan includes a variable speed controller that allows you to adjust the airflow and noise at will, better controlling the power consumption of your boat. "