Photo 1 of VIVOHOME 4 Inch 188 CFM Black Round Exhaust Inline Duct Fan with Variable Speed Controller for Indoor Garden Ventilation

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Photo 1 of VIVOHOME 4 Inch 188 CFM Black Round Exhaust Inline Duct Fan with Variable Speed Controller for Indoor Garden Ventilation Photo 2 of VIVOHOME 4 Inch 188 CFM Black Round Exhaust Inline Duct Fan with Variable Speed Controller for Indoor Garden Ventilation Photo 3 of VIVOHOME 4 Inch 188 CFM Black Round Exhaust Inline Duct Fan with Variable Speed Controller for Indoor Garden Ventilation