Vector Silenced EC
The Revolution fan range is quite simply a cut above the competition. With a free running, double balanced axial impellor with matching guide veins, coupled to powerful efficient German motors make these fans more powerful and more efficient than any other hydroponics fan in this class.
The Revolution EC fan uses state of the art EC technology to make it more powerful and over 50% more efficient than standard AC fans with no humming or buzzing at low speeds. These fans are the most efficient powerful duct fans of their size. They can be precisely controlled with an EC Controller to get complete control over your grow room environment.