Raxial S4 - Inline Duct Booster Fan with Speed Controller 4" ventilation A high nitrogen

A high nitrogen

This enables you to control up to 1000 fixtures on one EL2 controller

3LB Nitro Bat Guano is an excellent source of nitrogen

Ligna peat

Dry Contact Output:                     30VDC/250VAC

Raxial S4 - Inline Duct Booster Fan with Speed Controller 4" ventilation A high nitrogenA 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