OFFICIAL REPLACEMENT FILTER Using genuine Levoit Replacement Filters guarantees peak performance for the Core Mini Air Purifier and ensures what you're buying is worthy of your investment 3-STAGE FILTER SYSTEM The Pre-Filter, Personal HEPA Filter, and Activated Carbon Filter work together to reduce airborne particles and unwanted odors in your living space for improved air quality HEPA FILTRATION The Personal HEPA Filter is treated with HEPASmart Technology and meets the High Efficiency Particulate Air standard, trapping at least 97% of airborne particles 0.3 microns in size. This includes fine dust, smoke particles, and allergens such as pollen and pet dander TRAP HOUSEHOLD ODORS The Activated Carbon Filter physically adsorbs smoke, cooking smells, pet odors, and toxic fumes, making it ideal for pet owners, smokers, and people who live in cities BUY WITH CONFIDENCE Filters are sealed to protect their service life. Remove the plastic packaging before running the air purifier.