2 Packs 511 Replacement Filters Compatible with Blueair Blue Pure 511 Air Cleaner Purifier, 2 Stages Filter of Premium Filter and Activated Carbon with 2pcs Washable Cloth Cover Pre-Filters
【Compatibility】Only compatible with Blue Pure 511 Air Cleaner Purifier.Fit snugly with the machine.
【Value for Money】Including 2 packs 511 2-in-1 replacement filters and 2 packs fine mesh cloth pre-filters at low cost to save your money.
【Premium 】Only using premium filter to efficiently absorb fine airborne particles from your home such pet dander,pollen, PM2.5 etc.
【Activated Carbon Filter】Activated carbon filter helps to absorb fine household odors such cooking odor,pet odor and wildfire smoke .
【2 packs of pre-filters】Including 2 packs of cloth pre-filters to trap large particles such as pet dander,hair and lint.
【Warm Tips】It is recommended to replace the premium filter every 6-12 months and pre-filter every 3 months depending on using frequency for optimal performance.
