This genuine Samsung charcoal filter, DE63-00367G, is designed for your 1.5 CU. FT. over-the-range microwave oven. If you notice unpleasant odors persisting in your kitchen after using your microwave, it may be time to replace your filter. The charcoal filter works by removing cooking odors from the air that travels through your microwave vent. Check your appliance's manual for instructions on replacing the filter. Before purchasing, confirm your device's model number for compatibility.