Photo 1 of VIVOSUN Z4 4 Inch Inline Duct Fan, 203 CFM Ventilation Fan with Variable Speed Controller for Grow Tent, Indoor Garden Ventilation, Black

Double tap image to zoom

Photo 1 of VIVOSUN Z4 4 Inch Inline Duct Fan, 203 CFM Ventilation Fan with Variable Speed Controller for Grow Tent, Indoor Garden Ventilation, BlackPhoto 2 of VIVOSUN Z4 4 Inch Inline Duct Fan, 203 CFM Ventilation Fan with Variable Speed Controller for Grow Tent, Indoor Garden Ventilation, Black