Photo 1 of YSSOA 4 Inch Inline Duct Ventilation Fan 195 CFM HVAC Vent Blower Exhaust Booster for Hydroponics Grow Tent, Quiet

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Photo 1 of YSSOA 4 Inch Inline Duct Ventilation Fan 195 CFM HVAC Vent Blower Exhaust Booster for Hydroponics Grow Tent, QuietPhoto 2 of YSSOA 4 Inch Inline Duct Ventilation Fan 195 CFM HVAC Vent Blower Exhaust Booster for Hydroponics Grow Tent, Quiet