This filter is compatible with the following models: Blue Pure 211+, Blue Pure MAX (not compatible with Blue Pure 211 model) Highly porous activated carbon traps harmful gases and household odors such more→as smoke, volatile organic compounds (VOCs), exhaust, smog, and airborne chemicals. Advanced Silent™ technology removes at least 99.97% of all airborne particles down to 0.1 micron in size, including pollutants such as PM 2.5, pollen, dust, pet dander, mold spores, viruses, bacteria, microplastics, and more. This filter is 100% recyclable, so the only thing you're adding back into the environment is clean air. Blueair recommends changing your filter once every six months (4,380 hours) when used 24…