AC INFINITY RAXIAL S4 – Inline Booster Duct Fan 4" with Speed Controller

AC Infinity RAXIAL S4 Inline Booster Duct Fan – 4” with Speed Controller Improve Your Airflow InstantlyThe AC Infinity RAXIAL S4 is a high-performance 4-inch inline booster duct fan designed to increase airflow in HVAC systems and ventilate home spaces such as attics, workshops, kitchens, bathrooms, and basements. With a powerful 106 CFM airflow and ultra-quiet 28 dBA operation, this fan ensures smooth, efficient air delivery anywhere you need it. Precision Variable Speed ControlThe included variable speed controller lets you adjust airflow to match your exact needs. Whether you need gentle ventilation or maximum air movement, simply turn the knob to customize the speed and noise level. Durable Unibody ConstructionThe die-cast steel housing features a seamless unibody design that reduces vibration and promotes smooth airflow. The fluted, ridged exterior makes installation secure and easy in any 4” ducting system. Long-Lasting PerformancePowered by a reliable AC brushless motor, this b