Active Air Duct Fan Speed Adjuster Hydro Components low noise levels and safety

low noise levels and safety without sacrificing airflow

and nutrient utilization

It has a 5 ft 120 V power cord

Includes four interchangeable sprayer nozzles for different applications

Active Air Duct Fan Speed Adjuster Hydro Components low noise levels and safetyHydrofarm's Fan Speed Controller 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. These controllers are more sensitive than any on the market, and are compact and built to last. Features Internal electronic auto resetting