Manual RV Roof Ventilation Fan RV Ventilating Fan With 12V Bidirectional Exhaust Fan For RV With 3-speed Inlet And Outlet ,Quiet and Water Resistant

1. Keep cool in a comfortable RV 2. 3-speed fan with two-way airflow 3. Longevity performance in four seasons 4. Easy to install, easy to use 5. Motor made of pure copper core, reliable and highly efficient