[WHAT TO GET]: This aluminum air vent cover is a good-quality rectangle ventilation grille made from sturdy aluminum alloy, offering a clean, finished look suitable for various home applications. Its louvered design features evenly distributed striped holes that provide excellent airflow while effectively blocking dust.[WHEN/WHERE TO USE]: The rectangle vent cover is great for ventilation and moisture control in cabinets, closets, wardrobes, shoe racks, bookcases, and hvac systems. It works well on external walls, interior doors, kitchen cabinets, and bathroom spaces where local airflow improvement is needed. Use it anywhere that requires reliable and stylish ventilation with dust protection.[WHAT IT IS]: Inner Size (Ducting Opening Size): 495 x 145mm / 19.49 x 5.71 inches (W x H); Overall Ventilation Plate Size: 550 x 200 x 25mm / 21.
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