eFlow 3” Spring-Loaded Backdraft Damper

Key Features :

• 20-gauge galvanized steel housing

• Aluminum spring-loaded butterfly damper blades

• Damper seals against EDPM rubber gasket in closed position for minimal leakage

• Gasket designed for use in temperatures up to 122° F

• Requires airflows of 0.04 to 0.08 in. w.g. to begin to open

• May be installed in any position

• The entire assembly inserts into duct for simple installation

• Exterior foam gaskets provide a tight seal against interior surface of duct