Raxial S4 - Inline Duct Booster Fan with Speed Controller 4" dupe 1 ML per gallon will

1 ML per gallon will treat 946 Liters (250 gallons US) of nutrient solution

Apply for 2-3 waterings straight then regain normal nutrient feedings

Comes with 1 tubing adapter

Hydrofarm's Fan Speed Adjuster was designed especially for centrifugal fans

Up to four sensors can be used per dehumidifier

Raxial S4 - Inline Duct Booster Fan with Speed Controller 4" dupe 1 ML per gallon willA duct fan designed to boost airflow in HVAC systems and ventilate home spaces like attics and workshops. Features a variable fan speed controller, enabling you to optimize airflow and noise level for any application. Unibody die cast construction with no welded seams; reduces vibration while ensuring smoother airflow. AC brushless motor with steel blades and lubricated bearings; not suitable in restricted airflow applications. Duct size: 4