Comair Rotron is a brand of air moving products, ranging from small fans and blowers to ventilation systems. The 557218 is a DC Axial Fan, designed for cooling and ventilation. It has metal framed construction, a UL 94V-0 flame-resistant plastic and seven blades for increased airflow. It runs on 12 volts, draws 0.08 amperes and has an airflow of up to 32.7 CFM. This fan is specifically designed for use in commercial, industrial, automotive and other electronic applications. Its size and weight make it an ideal choice for small, confined spaces. This fan is also RoHS compliant and made with lead-free components.