Compatible with LEVOIT Core 300, Core 300P, Core 300S, and Core 300SP Air Purifiers. Direct replacement for part number Core 300RF. Dimensions: 7.6 x 7.6 x 5.8 inches for a precise fit and easy installation. 3Stage Filtration System: PreFilter: Captures larger particles such as hair, lint, and dust to extend the life of the main filter. H13 True HEPA Filter: Removes 99.97 percent of airborne particles as small as 0.3 microns, including pollen, pet dander, and fine dust. Activated Carbon Layer: Helps neutralize common household odors from cooking, pets, and smoke. Engineered for efficient particle capture, ensuring cleaner air and improved indoor environment quality. The combination of filtration layers works seamlessly to reduce airborne irritants that can trigger allergies or affect breathing. Ideal for everyday use in a variety of environments: Bedrooms: Maintain fresher air for better sleep quality. Living rooms: Reduce dust buildup and neutralize odors from cooking or pets. Home offices: Create a cleaner workspace to support focus and comfort. This filter offers dependable performance with a design tailored specifically for LEVOIT Core 300 series air purifiers, ensuring airflow and filtration efficiency without compromising compatibility or fit. Built from quality filtration materials for consistent results, it helps protect your purifier while keeping the air in your home cleaner and healthier.