VIVOSUN D4 4 Inch 195 CFM Inline Duct Ventilation Fan HVAC Vent Blower for Hydroponics Grow Tent

Featuring a brushless motor with durable blades and lubricated bearings the VIVOSUN inline duct fan can solve most of your ventilation issues. With an efficient motor and compact size it runs effectively and quitely without taking up too much space. A perfect solution for multi-purpose use in both residential and commercial ventilation!