The Microwave Charcoal Filter is designed to effectively eliminate odors, grease, and smoke, ensuring your microwave's ventilation system works optimally. This high-quality filter fits most over-the-range and countertop microwaves, improving air quality in your kitchen by trapping airborne contaminants. the charcoal filter provides long-lasting performance and helps maintain a fresh environment every time you cook. GE JNM3163DJ1BB,JNM3163DJ1WW, JNM3163DJ2BB,JNM3163DJ2WW, JNM3163RJ1SS