VIVOSUN AeroZesh S6 6 in. Inline Duct Fan with E12 Speed Controller, Carbon Filter, 8 ft. Ducting Ventilation System

Allows for precise and easy control over the fan speed and airflow, stabilizing and optimizing your growth environment. Its PWM-controlled, mixed-flow design delivers air efficiently across long distances while saving energy. The controller features backup memory to retain the same setting after powering off/on; It enables creating automated wind speed cycles through 3 on/off timing modes to help conserve energy. Constructed from top-notch aluminum with a protected PET thermoplastic central layer, this ducting is strong, flexible and durable.