#for grow tent ventilation

iPower 4 Inch 195 CFM Inline Fan, Upgrade Air Carbon Filter, 8 Feet PVC Ducting Speed Controller Rope Hanger and Temperature Humidity Monitor Kits, Combo, for Grow Tent Ventilation

iPower 6 Inch 442 CFM Inline Fan 25 Feet Non-Insulated Flex Aluminum Ducting, Air Carbon Filter with Digital Indoor Hygrometer Thermometer, Combo, for Grow Tent Ventilation