Photo 1 of Hon&Guan 4 Inch 212 CFM Air Filtration PRO Kit for Grow Tent Ventilation System, 4" Inline Duct Fan with EC Motor, Smart Temperature Humidity Controller, 4" Carbon Filter & 8 Ft Ducting

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Photo 1 of Hon&Guan 4 Inch 212 CFM Air Filtration PRO Kit for Grow Tent Ventilation System, 4" Inline Duct Fan with EC Motor, Smart Temperature Humidity Controller, 4" Carbon Filter & 8 Ft DuctingPhoto 2 of Hon&Guan 4 Inch 212 CFM Air Filtration PRO Kit for Grow Tent Ventilation System, 4" Inline Duct Fan with EC Motor, Smart Temperature Humidity Controller, 4" Carbon Filter & 8 Ft Ducting