Keep your air purifier working at top performance with the Core 300 Replacement Filter, compatible with LEVOIT Core 300. This cartridge-type filter has a MERV rating of 13 and uses True HEPA filtration technology to capture airborne particles as small as 0.3 microns, including pollen, dust, and pet dander. The filter media is made of carbon, and it has a filter life of up to 6 months. It comes in a pack of 2 and fits securely into the plastic filter frame. The Core 300 Replacement Filter is dust-resistant and easy to install, ensuring clean air in your home or office.