1200CFM Unit. The perfect fan for Greenhouse Circulation or Livestock areas, this 8" High Velocity Fan is powder coated on the cage and aluminum blade. The fan has a DC motor with an AC inverter. The fan offers the option of operating on either 120v or 240v while coming with a 5-foot cord attached and a 120v plug. The fan can be variable-speed when the voltage is lowered. It has no capacitor and sealed motor.