APPLICATIONS5 inch EC fan can be used as a dryer fan for a wetsuit/boot/glove dryer; or as a replace fans for 220 volt welder; Great for ice makers, AV cabinets, pond air pump, air hockey table, CMH grow light ballasts, refrigerator compressor cooling or ventilation; circulate air in Basement window and exhaust projects Easy to Installyou just need connect 2 wires easily to use this EC fan from 110 to 240 volts; EC fan motors maintain a lower temperature(-25°C to 70°C) More reliable operation and a longer service life, PBT plastic fan blades and frame, Lightweight Low Energy ConsumptionEC fan 120mm features brushless EC Motor; 80% Power Consumption Reduction compared with AC fans and shade pole motors, more energy-efficient; this ec cooling fan delivers 116CFM airflow rate using just 4.5 Watts at max speed Large Air Volumethe miniaturization of EC motor design increased the air area, and can get 1.5-3 times air volume compare to