Air ventilation and circulation are essential for indoor health gains. Indoors, fresh air is one of the most neglected factors contributing to a healthy garden and a bumper harvest.

4″ (inch)Inline duct fan (steel housing /impeller) 3 position speed controller extremely quiet

6″ (inch)Inline duct fan (steel housing/impeller) 3 position speed controller extremely quiet

8″ (inch)Inline duct fan (steel housing/impeller) 3 position speed controller extremely quiet

10″ (inch)Inline duct fan(steel housing/impeller) 3 position speed controller extremely quiet

12 ” (inch)Inline duct fan(steel housing/impeller) 3 position speed controller extremely quiet