iPower 4 Inch 195 CFM Inline Fan, Air Carbon Filter, 8 Feet PVC Ducting, Speed Controller, Rope Hanger, Vent Exhaust for Grow Tent Ventilation
https://www.amazon.com/dp/B0C9MKSHDF?tag=dmflip-20&linkCode=ogi&th=1&psc=1
iPower 4 Inch 195 CFM Inline Fan, Air Carbon Filter, 8 Feet PVC Ducting, Speed Controller, Rope Hanger, Vent Exhaust for Grow Tent Ventilation
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