[ Compare With The One ] For Core 400S Filter Replacement compatibles with for Levoit Core 400S 400S-RF air purifier. Fit for your air purifier. CAPTURE LARGE PARTICLE: Ultra-fine Nylon Pre-Filter captures large particles such as dust, lint, fibers, hair, and pet fur, also helpful to maximize the filter's life UPGRADED HEPA SMART TECHNOLOGY: Our H13 True HEPA Filter is safer than medical surgical mask materials and can achieve a better purification effect than traditional general HEPA. It captures 99.97% of dust and allergens as small as 0.3 microns such as household dust, pet dander, mold spores and plant pollen ELIMINATE HOUSEHOLD ODOR: The AirReComposition Formula in the activated carbon filter, which improves deodorant ability by 60%, chemically decomposes the unpleasant pet odors in the air and eliminates household odors without worrying about second-hand pollution Easy to replace and disposable, no tools required. replace filters every 6 months for optimal performance.Using your air purifier in an environment with relatively high pollution may mean you will need to replace the filter more often Color: White Material: composite material Package Contents: 2 x Air Purifier Filters 2 x Cleaning Brush