Bgears AC Power 100-125V b-Blaster AC 120x38mm High Speed fan designed for cooling and ventilation projects. Heavy Duty and Durable Cast Aluminum Frame with 2 Ball Bearing for Extended Life and High Performance. Impedance Protected to avoid overheat if fan is stuck accidentally. Extreme Speed at 2800RPM with Excellent Airflow of 123 CFM. Include 2 x Fan Guards, 1 x USA Non-Polarized 2 Prong AC Power Cord (4 ft.), 1 x 2 pin wire-lead for DIY project, and 1 x Screws Set (60mm screws x 4; Nuts x 4; Washers x 4). Also available in 80x38mm, 90x38mm and 120x38mm. Warning: This high speed fan is designed for high airflow performance; therefore, the noise level can be high for some applications. Fan Dimension: 120mm x 120mm x 38mm;.