XBWW 3 Packs Blue Pure 511 Replacement Filters for BLUEAIR Blue Pure 511 Air Cleaner Purifier,2-in-1 Filter of H13 True HEPA and Activated Carbon Filter

• 【Compatibility】The 511 replacement filter is only compatible with Blue Pure 511.Fit snugly with the machine
• 【Value Pack】Including 3 packs 511 2-in-1 replacement filters at low cost to save your money.（Note:The fabric pre-filter is not included in the package）
• 【Premium Filter】Only using premium filter to efficiently absorb most of airborne particles in your home or office
• 【Odor Filter】The inner activated carbon filter helps to absorb unwanted odor such as pet odor,cooking odor,smoke and VOC
• 【Replacement Frequency】We recommend to replace the filter every 6-12 months depending on using environment and frequency

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