AC Infinity AXIAL S1225, 120mm Muffin Fan with Speed Controller

Quiet fans designed for doorway, wood stoves, room-to-room, fireplace, and circulation projects. | Features a fan speed controller so you can optimize the airflow and noise for your application. | UL-certified fan with dual-ball bearings has a lifespan of 67,000 hours. Can be mounted in any direction. | Kit includes heavy-duty aluminum fans, wire guards, mounting screws, swivel brackets, and power cord. | 120 x 120 x 25 mm ( 4.7 x 4.7 x 1 in. ) | Airflow: 51 CFM | Noise: 16 to 38 dBA