The LG MDX64052401 microwave vent grille helps maintain proper airflow by directing heat and ventilation away from the appliance during operation. This component mounts at the top of the microwave and works by allowing warm air to exit while shielding internal parts from dust and debris. Its durable construction supports steady ventilation, which can help the microwave operate more ef... https://www.hnkparts.com/mdx64052401-lge-grille-vent