Designed for projects that requires cooling or ventilation; or as a replacement fan for various products. The 7 fan blades designed to focus airflow and reduce noise, creating a torrent of air without creating excess noise.
Features sleeve/ball bearing , the fan can be work very quiet and silent, you may hard to hear the noise of it , but it also offer you 47 CFM airflow . The fan can work smoothly for 50,000 hrs at 25 ℃.