Mars Hydro 4 Inch Inline Fan & Carbon Filter Combo, Speed Controller

Fresh air and no funky smells. This 4 inch inline duct fan and carbon filter combo moves up to 205 CFM and pairs with a speed controller to help keep your tent's temperature, airflow and odors in check. Includes the fan, carbon filter, 25 ft of flexible ducting, 3 duct clamps and 2 hanging straps. Ships separately from our supplier to keep prices low.