1pc 84mm Vents Grill Cover Replacement Part for RV Boat Marine Made from quality materials for durability, this louver is designed for hose ventilation with straight-through airflow, strong construction, corrosion resistance and long life. Suitable for ships, yachts, RVs, home related vents. Stable performance, exquisite appearance, perfect replacement. Material:ABS Size:as the picture shown Qty:1pc Vents with Srews