The Whirlpool W10450172 Grill Vent for Microwave helps maintain proper airflow and protects internal components during everyday appliance operation. This replacement grill vent is designed for compatible microwaves and is installed on the exterior of the unit to allow heat and air to circulate efficiently. It works by directing ventilation through designated openings, helping dissipat... https://www.partsmelange.ca/whirlpool-w10450172-grill-vent-for-microwave