Photo 1 of Vent Systems 6'' Inch - Backdraft Dampers - Backflow Shutter - ABS Plastic - One-Way Airflow Ducting Insert - Inline Fan Vent Deflector - HVAC Exhaust Connector with Valve

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Photo 1 of Vent Systems 6'' Inch - Backdraft Dampers - Backflow Shutter - ABS Plastic - One-Way Airflow Ducting Insert - Inline Fan Vent Deflector - HVAC Exhaust Connector with Valve