Use this backdraft damper to drive airflow in one direction and prevent bad odor from flowing backward in your grow room. It is made using galvanized steel to ensure longevity. It also has an easy installation into the duct system. 

The backdraft damper also runs silently and efficiently to improve ventilation. It comes with rubber gaskets to form an airtight seal. Buy it today to prevent undesired airflow when the exhaust fans are switched off.

Specifications:

• SKU/ Model: DL-403008

• Size: 8 inches

• Material: Galvanized steel