Photo 1 of iPower 4 Inch 130 CFM Inline Duct Fan with Variable Speed Controller HVAC Quiet Exhaust Blower for Heating Cooling, Grow Tents 4 inch Fan with Speed Controller

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Photo 1 of iPower 4 Inch 130 CFM Inline Duct Fan with Variable Speed Controller HVAC Quiet Exhaust Blower for Heating Cooling, Grow Tents 4 inch Fan with Speed ControllerPhoto 2 of iPower 4 Inch 130 CFM Inline Duct Fan with Variable Speed Controller HVAC Quiet Exhaust Blower for Heating Cooling, Grow Tents 4 inch Fan with Speed ControllerPhoto 3 of iPower 4 Inch 130 CFM Inline Duct Fan with Variable Speed Controller HVAC Quiet Exhaust Blower for Heating Cooling, Grow Tents 4 inch Fan with Speed Controller