Flintar EPI810 high-efficiency 3-in-1 True HEPA Replacement Filter is designed for use and fully compatible with *KOIOS and Mooka EPI810 Air Purifiers. This True HEPA Filter system contains 3-stage filtration: -Fine Preliminary Filter: Traps larger air contaminants like pet hair, dust balls, insects, and allergen particles -True HEPA Filter: Captures 99.97% of airborne allergens down to 0.3 microns. Removes pollen, pet dander, smoke, bacteria, mold spores, dust mite debris and more -Activated Carbon Filter: Absorbs household odors from pets, cooking, smoking and more Using high efficiency air cleaner filters and replacing the filters regularly will help optimize air cleaning performance. Replace your 3-in-1 True HEPA Filter System every 6 months for optimal performance. Fully compatible with the following air purifier: KOIOS EPI810 Air Purifier Mooka EPI810 Air Purifier Disclaimer: * KOIOS, Mooka are registered trademarks of the original manufacturers. Any use of KOIOS or Mooka brand name and model designation is made solely for purposes of demonstrating compatibility.