Direct Compatibility: Engineered for perfect alignment for Frigidaire OTRFILTER models, this filter matches with microwave air part number 5304512502, ensuring a seamless fit and reliability in performance across compatible appliances. Superior Air Quality: Uniquely designed to trap, absorb, and neutralize airborne particles and bothersome odors from cooking, for OTRFILTER PureAir Carbon replacements offer an unmatched safeguard for air quality in your kitchen environment. Optimized Kitchen Performance: Frequent filter updates prevent clogging and ensure unobstructed airflow, promoting more efficient ventilation in kitchen appliances. Enjoy consistently well-cooked meals and a noticeably enhanced cooking experience. Effortless Installation and Upkeep: These filters are designed for simplicity. Their easy-to-handle structure allows for quick cleaning and effortless reinstallation which ensures that your appliance always functions at its peak without any fuss. Material: Activated carbon cotton colour: black Package Contents: 4 x Carbon Microwave Air Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.