Photo 1 of TURBRO AirSupply ES4, 4 Inch Inline Duct Fan with Solid Metal Case, 195 CFM Quiet Vent Fan with Variable Speed Controlled for Grow Tent and Ventilation

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Photo 1 of TURBRO AirSupply ES4, 4 Inch Inline Duct Fan with Solid Metal Case, 195 CFM Quiet Vent Fan with Variable Speed Controlled for Grow Tent and VentilationPhoto 2 of TURBRO AirSupply ES4, 4 Inch Inline Duct Fan with Solid Metal Case, 195 CFM Quiet Vent Fan with Variable Speed Controlled for Grow Tent and Ventilation