Raxial S4 - Inline Duct Booster Fan with Speed Controller 4" dupe Apply for 2-3 waterings straight

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

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

Simply plug in your device to the power outlet on the bottom of the BETA-4

9-inch SK5 Japanese high carbon steel blade

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

Raxial S4 - Inline Duct Booster Fan with Speed Controller 4" dupe Apply for 2-3 waterings straightA 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