Deflect-0 Deflect 0 Dryer Vent. wide mouth hood w/detachable bird guard pipe and collar (unassembled). Removable bird guard helps prevent birds and other pests from nesting in vent or entering home. Vent closure designed for maximum airflow. Durable weather resistant. Self cleans with wind or rain. Features of Deflect-0 RVHAW4 Deflect 0 Dryer Vent Removable bird guard helps prevent birds and other pests from nesting in vent or entering home Durable weather resistant Self cleans with wind or rain Vent closure designed for maximum airflow Package Contents: Deflect-0 RVHAW4 Deflect 0 Dryer Vent Deflect-0 RVHAW4: Deflect 0 Dryer Vent