Flintar Premium high-efficiency H13 Grade True HEPA Replacement Filter Set is fully compatible with *LEVOIT Core 300 and Core 300S VortexAir Air Purifier. This True HEPA Filtration System includes: <br> <br> -<b>Fine Pre-Filter: </b> Traps larger particles in the air like dust, hairs, pet fur, lint, and more<br><br> -<b>H13 Grade True HEPA Filter: </b> Captures 99.97% of airborne particles down to 0.3 microns in size <br> <br> -<b>High-Efficiency Activated Carbon Filter: </b> Neutralizes household odors from pets, cooking, smoke, wildfire, and harmful VOC’s<br><br> Using Flintar premium high-efficiency air purifier filters and replacing the filters regularly will help optimize air cleaning performance. Replace your HEPA Filter every 6 months for optimal performance. <br> <br> <b>Fully compatible with LEVOIT Core 300 and Core 300S VortexAir Air Purifier</b><br> <br> <br> Disclaimer: <br> *This is not a OEM product. LEVOIT is a registered trademark of the original manufacturers. Any use of LEVOIT brand name and model designation is made solely for purposes of demonstrating compatibility.