Duct Fan Speed Adjuster Planting Cloning & Seed Starting Use RAW Full Up in

Use RAW Full Up in conjunction with all nutrients and supplements for optimal uptake throughout all stages of growth and bloom

removing the need for a frame inside

It can raise the pH of acid soils and lower the pH of alkaline soils

Heavy Duty Zipper

Duct Fan Speed Adjuster Planting Cloning & Seed Starting Use RAW Full Up inHydrofarm'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