Compatible models - This replacement filter is compatible with LEVOIT core P350 Pet Care, core 300, and core 300s air purifiers. Compared to Part # Core P350-RF, please double check your air purifier model before purchasing. DO NOT WORK IN CORE S 3-stage filtration - High-efficiency 3-in-1 filtration for LEVOIT P350: Fine non-woven fabric pre-filter, H13-grade True HEPA filter, and upgraded activated carbon filter. - This combination effectively filters pet hair and absorbs pet odors, improving the air quality for you and your pet. H13 True HEPA filter - Enhanced electrostatic fibers capture and attract 99.97% of 0.3 micron particles, including fine dust, smoke particles, pollen, and pet dander. Filter for pet dander - Non-woven fabric pre-filter attracts airborne particles such as pet hair, pet dander, dust and lint. Household pet odor - Granular activated carbon filters improve deodorization and absorb unpleasant pet odors, cooking odors, smoke, and volatile organic compounds, making them ideal for households with pets, kitchens, and smokers. Usage and benefits - Improves air quality by removing fine particles and reducing pet-related odors. - Compatible with multiple LEVOIT models to simplify replacements across devices. Applications - In a home with dogs or cats to reduce hair accumulation and pet odors in living rooms and bedrooms. - In households with allergy or asthma concerns to lower pet dander and dust levels in common areas. - In kitchens or homes with smokers to mitigate cooking odors and smoke while maintaining cleaner indoor air.