Photo 1 of iPower 4 Inch 200 CFM Inline Duct Ventilation Fan with Variable Speed Controller for Grow Tent/Hydroponics/Indoor Garden, Black Fan with Speed Controller

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Photo 1 of iPower 4 Inch 200 CFM Inline Duct Ventilation Fan with Variable Speed Controller for Grow Tent/Hydroponics/Indoor Garden, Black Fan with Speed ControllerPhoto 2 of iPower 4 Inch 200 CFM Inline Duct Ventilation Fan with Variable Speed Controller for Grow Tent/Hydroponics/Indoor Garden, Black Fan with Speed Controller