Replacement HEPA Air Filter Compatible with Core 400S 400S-RF Includes Activated Carbon [ Compare With ] For Core 400S Filter Replacement compatibles with for Core 400S 400S-RF air purifier. Fit for your air purifier.CAPTURE PARTICLE: Ultra-fine Nylon Pre-Filter captures particles such as dust, lint, fibers, hair, and pet fur, also helpful to maximize the filter's lifeUPGRADED HEPA SMART TECHNOLOGY: Our H13 True HEPA Filter is than materials and can achieve a better purification effect than traditional general HEPA. It captures 99.97% of dust and as small as 0.3 Micrometres such as household dust, pet dander, mold spores and plant pollenELIMINATE 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 pollutionEasy 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 oftenColour:yellowMaterial:composite materialSize: 236 x 252MMPackage Contents:1 x Air Purifier FiltersOnly 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.