REPLACEMENT FILTER: for Levoit Replacement Filters guarantees peak performance for the Core Mini Air Purifier 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 HEPA Smart Technology and meets the High Efficiency Particulate Air standard, trapping at least 97% of airborne particles 0.3 Micrometre 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 Perfect for pet owners, smokers, and people who live in cities BUY WITH CONFIDENCE: Filters are sealed to protect their service life. Remove the packaging before running the air purifier. Material:plastic colour:White Package Contents: 2 * HEPA Filter / 1 * HEPA FilterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.