The Whirlpool 8205146A Charcoal Filter helps reduce cooking odors and airborne impurities in a microwave’s ventilation system. Designed for microwaves with recirculating ventilation, the charcoal filter uses activated carbon to absorb odors from cooking air before the air is returned to the room. Over time, the filter can become saturated and less effective, making replacement importa... https://www.partsmelange.ca/whirlpool-8205146a-filter-for-microwave