1 Pack 7700 Smart Replacement Filter Compatible with BLUEAIR Protect 77770i & 7710i Air Purifier, 3-IN-1 Filtration

Compatible Model: The 7700 model filter is compatible with blue-air protect 7700, 7770i, 7710i, 7740i air clean purifier. The replacement filter does a fine job of filtering the air. It fits for large home room, which up to 2500ft with PM 2.5 display | 3 Strage Filtration Systems: High density texture h13 hepa filter, activated carbon filter and pre-filter.This system technology makes more effort to improve the air quality to your indoor life, and constantly maintain fresh air and pure comfort in every moment | H13 True Filter: The HEPA filter captures 99.7% particles as small as 0.3 microns, such as dust, pollen, smoking, hair, pet dander, etc. We have strict production line process, which ensures the quality of filter and provide a better air environment for your life area | Activated Carbon Filter: The activated carbon filter absorbs unwanted odors, cooking fumes, pet odors and emitted pungent odors of the household products | Package List: 1 Pack 7700 Replacement Filter. Warm Tips: In order to ensure the filtration performance, we recommend changing the filters every 9-12 months, it depends on the using frequency of the air purifier