AC Infinity RAXIAL S4 Inline Booster Duct Fan with Speed Controller, 4" Ebb & Flow | Flood & Drain 2 cm) Duct Opening Sizes

2 cm)    Duct Opening Sizes    4"

Made from ABS plastic

They are specially inoculated with both micro-nutrients

4 cm)    Hole to Hole Distance    14

AC Infinity RAXIAL S4 Inline Booster Duct Fan with Speed Controller, 4" Ebb & Flow | Flood & Drain 2 cm) Duct Opening SizesAC Infinity RAXIAL S4 Inline Booster Duct Fan with Speed Controller, 4" A 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;