Active Air Fan Speed Adjuster pumps-and-irrigation-supplies Start flower or vegetable seedlings

Start flower or vegetable seedlings

The water saving polymers provide a more consistent water and water soluble feed food source

Requires a fan for cooling (sold separately)

Seaweed is an optimal plant growth stimulant

In-Duct Installation – Integrates directly into air handling units or duct systems

Active Air Fan Speed Adjuster pumps-and-irrigation-supplies Start flower or vegetable seedlingsHydrofarm'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. These controllers are more sensitive than any on the market, and are compact and built to last. Features Internal electronic auto resetting