Automatic Booster Duct Fan, Inline Fan with Pressure Switch, 4-Inch

* Inline duct fan for boosting airflow in ducting and vent systems to ensure heating or cooling delivery. * Automatically activates the ventilation

Hugoome Inline Duct Fan 4 inch Vent Booster, HVAC Exhaust Intake Fans 76 CFM, Ventilation Blower for Grow Tent Attic Kitchen Garage G

The inductor 6-in corded in-line duct fan is engineered to overcome back pressure and boost air in forced air heating and cooling systems without upsetting the balance in the closed loop system. UL listed E227633 heating and cooling equipment UL 1995. 300 CFM free air to max boosted air 650 CFM. Thermally protected class B motor with automatic reset thermal fuse. Plugs right into the Ductstat, model DS100, (sold separately) for automatic temperature controlled on/of operation.

Suncourt Db210c Inductor 10 in. Corded In-Line Duct Fan

RAXIAL S6, Inline Booster Duct Fan with Speed Controller, 6-Inch

Fantech DB10 Pressure Switch Kit

Birsppy Vortex 4 in. Powerfan Inline Duct Fan with Pressure Switch

4''~5'' Silent Inline Duct Fan Ventilation Powerful Air Extractor

RAXIAL S8, Inline Booster Duct Fan With Speed Controller,, 42% OFF

INDUCTOR® 8 CORDED AXIAL IN-LINE BOOSTER DUCT FAN

Corded In-Line Duct Fan is engineered to overcome back pressure and boost air in forced air heating and cooling systems without upsetting the balance in the closed loop system. The boosts airflow in ducts with low air to improve comfort and energy efficiency. If you have rooms that are too hot or too cold due to poor airflow, this is an efficient and economical solution. Features. 650 CFM free air to maximum boosted air 800 CFM.

Inductor 12 in. Corded In-Line Duct Fan DB212C

RAXIAL S6, Inline Booster Duct Fan with Speed Controller, 6-Inch