High-airflow fans designed for doorways, wood stoves, fireplaces, room-to-room ventilation, and air circulation projects. ^^ Features an adjustable fan speed controller, allowing you to optimize airflow and noise levels for your specific application. ^^ The certified fan is equipped with dual ball bearings and offers a long lifespan of up to 67, 000 hours. It can be mounted in any direction for flexible installation. ^^ The kit includes heavy-duty aluminum fans, wire guards, mounting screws, swivel brackets, and a power cord.
^^ Size: 120 120 38 mm ( 4.7 4.7 1.5 in. )
Airflow: 40110 CFM
Noise Level: 2147 dBA