Designed for projects that requires cooling or ventilation; or as a replacement fan for various products. Includes a heavy-duty aluminum fan with power plug cord, two fan guards, and mounting screw set. UL-certified fan with dual-ball bearings has a lifespan of 67,000 hours. Can be mounted in any direction. Low Speed: Has a lower noise and airflow rating than high speed models of the same size. 120 x 120 x 38 mm (4.7 x 4.7 x 1.5 in.) 100 to 120V AC Airflow: 62 CFM Noise: 32 dBA Speed: 1800 RPM