Hvac Fantech Fantech Ventilation Fans | Dbf4Xl Duct Booster Fan (Metal) W/ Cord

Dbf 4Xl Is A Duct Booster Fan Designed For Boosting Air On Demand. The Product Is Equipped With A 5 Feet Power Cord, Pressure-Sensing Switch That Activates The Fan Once Positive Pressure Is Sensed In The Duct Line. The Switch Shuts The Fan Off When The Pressure In The Duct Normalizes.

Features:

• Performance Certified By Hvi; Safety Certified By Etl To Ul507.
• Galvanized Metal Housing
• Pressure-Sensing Switch
• 5 Feet Power Cord For 120V/1~
• Suitable For 4″ Ductwork