[ 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 percent 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 percent , 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.