Mars Hydro 4" Inline Duct Fan with Speed Controller tents-/-indoor-greenhouses and as a reagent in

and as a reagent in various chemical reactions

reducing the need for reapplication and maintaining protection in outdoor growing environments

Elevated Root Zone Oxygen – Diluted applications introduce additional oxygen into the soil or hydroponic reservoir

Merv 13 Filter - 18" x 18" x 2": This filters compatibility extends to a variety of products

Hobbyist Cultivator

Mars Hydro 4" Inline Duct Fan with Speed Controller tents-/-indoor-greenhouses and as a reagent inDescription 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