In most cases, DC fans use less energy – up to 70% less than a standard AC fans. So the DC axial ventilation fans are generally extremely quiet and Energy-efficient.
The standard AC fan is energy efficient can be connected directly to a DC power source. Size of this fan is 172mm x 150mm x 51mm, as the big size , it can offer you 187.93 CFM big airfllow.
PBT black frame brushless axial fan designed for projects that requires cooling or ventilation; also can be used as a replacement fan for various products.