AC Infinity RAXIAL S4, Inline Booster Duct Fan with Speed Controller, 4-Inch

Description Duct Fan Design: Engineered with the intention of enhancing airflow in HVAC systems and ventilating spaces within homes, such as attics and workshops. Variable Speed Controller: A valuable feature that lets you customize the airflow and noise level to accommodate various applications. This feature allows the fan speed to be fine-tuned to fulfill specific airflow boosting expectations. Unibody Die-Cast Construction: This construction style prevents welded seams thereby decreasing vibration and ensuring a smoother flow of air. The fan includes an AC brushless motor with steel blades and lubricated bearings. It's important to note that it is not recommended for operations with restricted airflow. Product Specifications: The duct size is 4 inches with dimensions of 7.28 x 3.95 x 3.95 inches. It boasts an airflow of 106 CFM and creates a noise level of 28 dBA. The fan uses Dual Ball bearings. Product Details: It is an inline fan designed for duct boosting and increa