Raxial S4 - Inline Duct Booster Fan with Speed Controller 4" Cloning & Seed Starting Blowers are set to exhaust

Blowers are set to exhaust air out of the enclosure

since the heating element stays on ONLY for the time you set on the dial

The PX2 provides independent control of the following features in each of its dual zones:

The ONA odor neutralizing agents are released in a controlled manner so that every molecule is fully optimized

Competing enzyme concentrates are clear in appearance

Raxial S4 - Inline Duct Booster Fan with Speed Controller 4" Cloning & Seed Starting Blowers are set to exhaustA 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