Backdraft Damper 300Ø Metal

300Ø round back valve is especially designed to prevent back-draft. The spring loaded back-draft damper is manufactured of galvanized steel and contains rubber seal. Easily fits into your vent system, the installation requires minimal labor and time.

• Prevents outside air from penetrating the home
• Rubber gasket in closed position ensures minimal leakage
• Well-balanced
• Inserts into duct for simple installation
• Vertical or Horizontal installation