Photo 1 of Vent Systems 4" Inch Duct Connector Flange with Square Spigot Wall Plate – Dryer Vent Adapter and Mounting Plate – Ideal for Seamless HVAC Ductwork Connections, Exhaust Fans, and Airflow Management

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Photo 1 of Vent Systems 4" Inch Duct Connector Flange with Square Spigot Wall Plate – Dryer Vent Adapter and Mounting Plate – Ideal for Seamless HVAC Ductwork Connections, Exhaust Fans, and Airflow ManagementPhoto 2 of Vent Systems 4" Inch Duct Connector Flange with Square Spigot Wall Plate – Dryer Vent Adapter and Mounting Plate – Ideal for Seamless HVAC Ductwork Connections, Exhaust Fans, and Airflow Management