- A duct fan designed to boost airflow in HVAC systems and ventilate home spaces like attics and workshops.
- Features a variable fan speed controller, enabling you to optimize airflow and noise level for any application.
- Unibody die-cast construction with no welded seams; reduces vibration while ensuring smoother airflow.
- AC brushless motor with steel blades and lubricated bearings; not suitable in restricted airflow applications.
- Duct size: 4” | Dimensions: 7.28 x 3.95 x 3.95 in. | Airflow: 106 CFM | Noise: 28 dBA | Bearings: Dual Ball
- Duct size: 6” | Dimensions: 7.28 x 5.90 x 5.90 in. | Airflow: 265 CFM | Noise: 35 dBA | Bearings: Dual Ball
- Duct size: 8” | Dimensions: 7.28 x 7.87 x 7.87 in. | Airflow: 428 CFM | Noise: 43 dBA | Bearings: Dual Ball
The AC Infinity Raxial Inline Duct Booster Fan with Speed Controller is far and away, one of our most popular items. People can't seem to get enough of it.
Inventory Last Updated: Oct 04, 2025
Inventory Last Updated: Oct 04, 2025
