Compatible with Jafända JF888 Air Purifier: This original filter is a medical-grade True HEPA 13 filter that captures at least 99.97% of 0.01 micron airborne particles. The filter is 45mm thick, with a 25 mm HEPA filter and a 20 mm activated carbon filter. It has 3.48m² of HEPA filter paper, providing a larger unfolded area and a longer filter life. 2.12 lb Carbon Filtration: The activated carbon pellets will reduce odors, gases, and VOCs, including formaldehyde. Only select the pelletized or granular adsorbent media filter. Avoid the impregnated-type thin activated carbon sheet filters, which are less effective.This filter can absorb toxic gases, VOCs, and odors from pets, humans, cigarettes, and other sources. Customized Filters: Choose the right filters for your home environment. Original filter can capture at least 0.01 micron airborne particles, so normally used for dusty home, pollen season, people with allergies, Asthma patient, secondhand smoke victim. Room Coverage: 3800 sq ft one times per hour, 760 sq ft five times per hour (CADR: 488 cfm) Maintenance Tip: Replace your filter every 6-12 months to keep your air fresh and clean. An old filter will lower your air purifier's efficiency. It is recommended to remove the filter cover and vacuum the pre-filter monthly to remove hair, fibers, and lint. This will extend the life of your filter and improve its filtration efficiency. Do not wash the filters. Clean Household Odors: The pre-filter traps hair, pet dander, and dirt. The Ture HEPA filter captures dust, pollen, smoke, bacteria, and PM particles. The activated carbon filter absorbs pet odor, body odor, cooking smells, and VOCs.