Durable exterior roof vent cover designed for 14″ x 14″ vents on RVs and trailers. Features MAXXAIR 1+ dome construction with one-sided venting to direct airflow while blocking direct rain and debris. Dimensions: 19-1/4″ L x 18-1/2″ W. Made from weather-resistant black polyethylene for long-lasting performance in harsh outdoor conditions. Easy to mount and compatible with standard RV ventilation systems. Improves airflow management while protecting interior components from moisture and contaminants.