WindKing Inline Fans Size:4" Humidity dome with dual vent

Humidity dome with dual vent points for optimal airflow

Increases the value of crops grown for their essential oil contents

With their titanium blades 3 times tougher than steel

Liquid KoolBloom bolsters your efforts with essential nutrients your flowering plants need for vigorous growth

Duct diameter 4"

WindKing Inline Fans Size:4" Humidity dome with dual ventWindKing Inline Fans 3 year warranty. (Multiple sizes) One of the biggest problems with a typical inline fan is the bearings. As they get dirty (we all know your grow room isnt as clean as youd like) the bearings start to wear out. The WindKing Inline Fan has high quality steel bearings that never seem to quit. Its useful for exhaust or intake in any grow room. You need an inline fan that: Moves large volumns of air through your ducting whether used