The Whirlpool W10120840A charcoal filter helps reduce odors and airborne cooking particles in compatible microwave ventilation systems. This replacement filter uses activated charcoal to absorb and trap unwanted odors, smoke, and grease particles from the air as it passes through the microwave’s ventilation system. By filtering recirculated air before it returns to the kitchen, it hel... https://www.partsmelange.ca/whirlpool-w10120840a-vent-hood-microwave-charcoal-filter-for-range