Effective Ventilation: Powerful blower with a fan speed of 2500 RPM for an air flow of 350 CFM;Moves air through your target location efficiently for optimal ventilation.
Inline duct fan have two sizes :4 inch and 6 inch .This duct fan usually use for the grow tent.6Inch In-Line Duct Fan High Speed Energy Saving Axial Exhaust Ventilation Fan
Virex speed fan controller inline duct fan vent blower speed adjuster for inline duct exhaust fan deft and fashion
Virex inline duct fan have two sizes :4 inch and 6 inch .This duct fan usually use for the grow tent.
Simple luxury wall mounted fan, 18 inch fan in 3 speeds with cooling bolwing for use in a variety of occasions.
Virex 4/6/8 Inch Inline Duct Fan 120V 2550 RPM speed suitable for anything from small to industrial scale grow tents