Active Air ACSC Duct Fan Speed Adjuster
Active Aqua's Fan Speed Adjuster was designed especially for centrifugal fans. This means it will help prevent damage to fan motors, ensuring longer life. (Meant for use with brushless motors, and all Hydrofarm inline fans, not booster fans) It will correctly and precisely adjust the speed of centrifugal fans without causing the motor to hum. These controllers are more sensitive than any on the market, and are compact and built to last!
This duct fan will correctly and precisely adjust the speed of centrifugal fans without causing the motor to hum. It is very compact and built to last. Use with brushless motors, Hydrofarm inline fans and not booster fans. Not recommended for use with “squirrel cage” type fans or the 12″ Max Fan. For the 12″ Max Fan, use speed controller CFH0350290.