VIVOSUN
VIVOSUN 6 Inch Air Carbon Filter Smelliness Control with Australia Virgin Charcoal for Inline Duct Fan, Grow Tent, Pre-Filter Included, Reversible Flange 6"x 18"
SunStream
SunStream 6 Inch 340 CFM Plastic Duct Inline Fan Heating Cooling Ventilation for Exhaust and Intake, Grounded Power Cord
Hon&Guan
Hon&Guan 6 Inch Inline Duct Fan with Variable Speed Controller Quiet Energy Saving EC Motor Ventilation Exhaust Fan for Heating Cooling Booster Grow Tents Hydroponics
FICBXRA
6 Inch Inline Duct Fan, 740 CMH Inline Fan Duct Exhaust Fan Constant Speed for for Grow Tent, Indoor Garden Ventilation, SAA Listed