FITS LIKE A GLOVE: FS32 filter H13 true HEPA compatible with mooka/ koios air purifiers and AZEUS air purifier for home, bedroom. Like the b08tbdkfc7.Please check your air purifier carefully to make sure it is the correct filter. The dimensions are.UPGRADE CARBON FILTER: FS32 air filter carbon filters contain a greater abundance of activated carbon particles than other brands. The newly upgraded honeycomb coal type carbon filter can absorb more odors while ensuring air purifier’s maximum airflow, higher efficiency and long life..BREATHE AT EASE: The premium H13 HEPA of FS32 filter effectively captures 99.97% of particles as small as 0.3 microns, such as pollen, so you can stop worrying about the fine particles in the air during the change of season. Breathe like you're at home in the forest..CAPTURE LARGE PARTICLES: Pre-filter can effectively capture large particles in the air as well as some odors, such as pet odor, dust, etc., which can effectively protect the carbon layer and HEPA and extend its service life..PURCHASE HASSLE-FREE: To ensure optimal filtration, we recommend changing the filters every 4-6 months. We strictly control the purchase of raw materials for the filters and the continuous refinement of the production process. If you have any questions, please feel free to contact us!