Mars Hydro 4" Inline Duct Fan with Temperature and Humidity Controller Commercial Lighting All designs are to offer

All designs are to offer a controlled growing environment for indoor plants all year round

Apply ~2 gal of mix per 1

disinfects large volumes of fast moving air

Tension Straps for spinning motion

Improve water taste

Mars Hydro 4" Inline Duct Fan with Temperature and Humidity Controller Commercial Lighting All designs are to offerDescription Efficient Ventilation: The Mars Hydro 4" inline fan employs a mixed flow design for a strong airflow of 205CFM. It's equipped with a variable speed controller for effortless fan speed management. Quiet Workspace and Durable Body: With an ABS plastic frame and blades, this sturdy fan creates a remarkably quiet growth environment with an extremely low noise level of 26. 8dB A. Easy Installation: This fan features removable duct ends with