Photo 1 of iPower 4 Inch 195 CFM Exhaust Inline Duct Vent Booster Blower with Variable Indoor Grow Tent Hydroponics Ventilation, Quiet, 4'' Fan with Speed Controller New, Black

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Photo 1 of iPower 4 Inch 195 CFM Exhaust Inline Duct Vent Booster Blower with Variable Indoor Grow Tent Hydroponics Ventilation, Quiet, 4'' Fan with Speed Controller New, BlackPhoto 2 of iPower 4 Inch 195 CFM Exhaust Inline Duct Vent Booster Blower with Variable Indoor Grow Tent Hydroponics Ventilation, Quiet, 4'' Fan with Speed Controller New, BlackPhoto 3 of iPower 4 Inch 195 CFM Exhaust Inline Duct Vent Booster Blower with Variable Indoor Grow Tent Hydroponics Ventilation, Quiet, 4'' Fan with Speed Controller New, BlackPhoto 4 of iPower 4 Inch 195 CFM Exhaust Inline Duct Vent Booster Blower with Variable Indoor Grow Tent Hydroponics Ventilation, Quiet, 4'' Fan with Speed Controller New, BlackPhoto 5 of iPower 4 Inch 195 CFM Exhaust Inline Duct Vent Booster Blower with Variable Indoor Grow Tent Hydroponics Ventilation, Quiet, 4'' Fan with Speed Controller New, Black