About This 3-IN-1 TRUE HEPA FILTRATION SYSTEM: Each filter features a 3-stage filtration process, including a Pre-filter, H13 True HEPA filter, and an activated carbon filter, providing superior air purification for cleaner, healthier air in your home HIGH EFFICIENCY HEPA AIR FILTER: The H13 True HEPA filter captures 99.97% of airborne particles as small as 0.3 microns, including dust, pollen, and pet dander. The air purifier filter is great for allergy sufferers and those who need extra air protection AIR FILTER COMPATIBLE WITH LEVOIT CORE 400S: The air purifier filter replacement is designed to compatible with LEVOIT Core 400S and Core400S-P/Core 400S-rf Smart WiFi Air Purifier. Ensuring optimal performance and consistent air purification EASY INSTALLATION: Installing and replacing the air purifier filter is easy, allowing you to keep your purifier running efficiently with minimal effort. We recommend cleaning the hepa filter replacement every 2-4 weeks and replacing it every 4-6 months VERSATILE AIR FILTERS: Good for removing a wide range of pollutants, including smoke, pet odors, industrial gases, cooking fumes, dust, pollen, mold spores, dander, allergens, chemical fumes, and vehicle exhaust, ensuring your air stays fresh and clean Overview Brand : MAXTBEE Material : Ture HEPA Filter, Activated Carbon Product Dimensions : 9.5"L x 10.4"W x 9.5"Th Compatible Devices : Core 400-P Air Purifier, Core 400S Air Purifier Item Weight : 2 Pounds UPC : 840322307957 Number of Items : 1 Manufacturer : MAXTBEE Number of Packs : 1 Product Grade : NEW